Doreen uses systematic sampling and Jung uses cluster sampling. We might make different choices of what we think is the best graph depending on the data and the context. State whether the data described below are discrete or? continuous, and The registrar at State University keeps records of the number of credit hours students complete each semester. Determine whether the data described below are qualitative or quantitative and explain why: . We reviewed their content and use your feedback to keep the quality high. To determine the proportion of people taking public transportation to work, survey 20 people in New York City. Name data sets that are quantitative discrete, quantitative continuous, and qualitative. The second sample is taken using a list of senior citizens who take P.E. State whether the data described below are discrete or continuous, and Your instructor will give each group one six-sided die. The data are discrete because the data can . What is the main difference between discrete and continuous data? Question: State whether the data described below are discrete or continuous, and explain why. Save my name, email, and website in this browser for the next time I comment. The durations of a chemical reaction comma repeated . Continuous data is the data that can be of any value. Learn data analytics or software development & get guaranteed* placement opportunities. The size of a sample (often called the number of observations) is important. Your email address will not be published. The data are the areas of lawns in square feet. A high school principal polls 50 freshmen, 50 sophomores, 50 juniors, and 50 seniors regarding policy changes for after school activities. Procrastination isnt even the last option if you are preparing for a statistics exam. A large ship is sailing between three small islands. 1. The number of animals in a zoo is continuous data because the number of animals varies yearly depending on the reproduction of new animals or the arrival of new animals. 1: 23-54 (2012), ssh.dukejournals.org/content/36/1/23.abstract (accessed May 1, 2013). 24 people said theyd prefer more talk shows, and 176 people said theyd prefer more music. state whether the data is continous or discrete The durations of Data that can only take on certain values are discrete data. 25. You can specify conditions of storing and accessing cookies in your browser. A discrete variable, on the other hand, can only take on specific values. 26. This website is using a security service to protect itself from online attacks. Discrete. feet, 190 sq. All the members from these clusters are in the cluster sample. the chance of picking the first person is 1,000 out of 10,000 (0.1000); the chance of picking a different second person for this sample is 999 out of 10,000 (0.0999); the chance of picking the same person again is 1 out of 10,000 (very low). However, students shall understand that it is important for them to recognize their interests and based on that, select the best career path possible. Discrete is data that can take only certain values. The freshman, sophomore, junior, and senior years are numbered one, two, three, and four, respectively. Zanas house is at A, 500 feet from the intersection, and Tan's house is at B, 750 feet from F. Which distance is longer, the distance from Zana's house to Tan's house or the distance from Theresa's house to Is house? A sample that is not representative of the population is biased. Blood type might be AB+, O-, or B+. Collaborative Exercise 1.2. The data are continuous because the data can only take on specific values . Measurements of the amount of beverage in a 16-ounce can may vary because different people make the measurements or because the exact amount, 16 ounces of liquid, was not put into the cans. 4 Types of Data - Nominal, Ordinal, Discrete, Continuous Qualitative data are generally described by words or letters. Complex numbers and fluctuating data values that be measured over a defined time frame are referred to as continuous data. Statistics and Probability questions and answers, CS State whether the data described below are discrete or continuous, and explain why. the number of classes you take per school year. Hint: Data that are discrete often start with the words "the number of." the number of pairs of shoes you own. Nominal Data is used to label variables without any order or quantitative value. Types of soups, nuts, vegetables and desserts are qualitative data because they are categorical. The data are discrete because the data can take on any value in an interval. OC. state whether the data is continous or discrete The durations of a chemical reaction comma repeated several times Choose the correct answer below. y's house is at D, 750 feet from the intersection. State whether the data described below are discrete or? We have grown leaps and bounds to be the best Online Tuition Website in India with immensely talented Vedantu Master Teachers, from the most reputed institutions. The volumes left parenthesis in cubic feet right parenthesis of different rooms Choose the correct answer below. The amount a person grew (in height) in a year. . The data are continuous because the data can only take on specific values. If these data-driven topics got you interested in pursuing professional courses or a career in the field of Data Science. 2. The data are discrete because the data can only take on specific values. This site is using cookies under cookie policy . Suppose Doreen and Jung both decide to study the average amount of time students at their college sleep each night. A statistics professor collects information about the classification of her students as freshmen, sophomores, juniors, or seniors. Continuous data are in the form of fractional numbers. These data dont have any meaningful order; their values are distributed into distinct categories. Do you think that either of these samples is representative of (or is characteristic of) the entire 10,000 part-time student population? Determine whether the given value is from a discrete or continuous data set. A student interviews classmates in his algebra class to determine how many pairs of jeans a student owns, on the average. 2003-2023 Chegg Inc. All rights reserved. The Literary Digest Poll, Virtual Laboratories in Probability and Statistics, Gallup Presidential Election Trial-Heat Trends, 19362008, Gallup Politics. We may prefer not to think of 10,00,100 and 10,00,102 as crucially different values, but instead as nearby points on an approximate continuum. Often, people with strong positive or negative opinions may answer surveys, which can affect the results. Most statisticians use various methods of random sampling in an attempt to achieve this goal. This table displays six sets of quiz scores (each quiz counts 10 points) for an elementary statistics class. State whether the data described below are discrete or continuous and explain why The amounts of time that different brands' batteries last in a CD player. Try this experiment twice. A defective counting device can cause a nonsampling error. Variation is present in any set of data. You cannot expect your brain to work nicely with hundreds of thoughts, it will only create a mess. LCM of 3 and 4, and How to Find Least Common Multiple, What is Simple Interest? A.The data are continuous because the data can only take on the data can only take on specificvalues. answer below. However for practical reasons, in most populations, simple random sampling is done without replacement. You count discrete data. It also could not be used if the percentages added to less than 100%. Quantitative data can be expressed in numerical values, making it countable and including statistical data analysis. C. You will learn why when you study confidence intervals. The departments are the clusters. Working on data is crucial because we need to figure out what kind of data it is and how to use it to get valuable output out of it. 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However the third random number, 0.14669, contains 14 (the fourth random number also contains 14), the fifth random number contains 05, and the seventh random number contains 04. 4. Age is discrete data because we could be infinitely precise and use an infinite number of decimal places, rendering age continuous as a result. the data can only take on specific values . A. The station uses convenience sampling and surveys the first 200 people they meet at one of the stations music concert events. For example, if you randomly sample four departments from your college population, the four departments make up the cluster sample. Confounding makes it difficult or impossible to draw valid conclusions about the effect of each factor. They spend: $50; $40; $36; $15; $50; $100; $40; $53; $22; $22. We all know that time is very important, it doesnt wait for anyone. It is classified into two broad categories: qualitative data and quantitative data. A stated earlier, Lengths are in general, continuous variables. The graph in Figure \(\PageIndex{5}\) is a Pareto chart. The data are discrete because the data can take on any value in an interval. In one study, eight 16 ounce cans were measured and produced the following amount (in ounces) of beverage: 15.8; 16.1; 15.2; 14.8; 15.8; 15.9; 16.0; 15.5. If you feel tired at the moment, even that too is fine. Each method has pros and cons. For example, in the case of statistics, algebra is a good option to learn before starting your statistics course. Data from www.bookofodds.com/Relationsh-the-President. Quantitative data are the result of counting or measuring attributes of a population. It is classified into two broad categories: qualitative data and quantitative data. Here are a few steps to prepare well for your exam which has statistics as a part of the course. a. One-third of a number when decreased by 2 equals one-fifth of the nimenbe Find the number. Record the number and the first quiz score. State whether each situation is categorical or quantitative. What can you conclude about the angles opposite these sides? Answered: State whether the data described below | bartleby To choose a cluster sample, divide the population into clusters (groups) and then randomly select some of the clusters. Examples of discrete variables are the number of students and age. Quantitative data, on the other hand, is one that contains numerical values and uses a scope. In the graph, the percentages add to more than 100% because students can be in more than one category. The data are discrete because the data can take on any value in an interval. The two-digit number 14 corresponds to Macierz, 05 corresponds to Cuningham, and 04 corresponds to Cuarismo. Measuring angles in radians might result in such numbers as \(\frac{\pi}{6}\), \(\frac{\pi}{3}\), \(\frac{\pi}{2}\), \(\pi\), \(\frac{3\pi}{4}\), and so on. Again, you sample the same five students. Each student in the following samples is asked how much tuition he or she paid for the Fall semester. For example, the number of subjects in a course, the number of families living in a block, the number of digits in a code, etc. Quick Check Introduction to Data Science. It is not possible to measure qualitative data in terms of numbers and it is subdivided into nominal and ordinal data. Hint: Data that are discrete often start with the words "the number of.". To find the average annual income of all adults in the United States, sample U.S. congressmen. The land areas of different countries Choose the correct answer below. Grouped distribution of continuous data tabulation frequencies is performed against a value group. It is better for the person conducting the survey to select the sample respondents. CS State whether the data described below are discrete or continuous, and explain why. One student has a red backpack, two students have black backpacks, one student has a green backpack, and one student has a gray backpack. according to measurement accuracy, it can be significantly subdivided into smaller sections. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Answered: State whether the data discribed below | bartleby Additional Resources Use the column numbers: one through six. . Those numbers picked from the first department, picked from the second department, and so on represent the members who make up the stratified sample. Your IP: A high school counselor uses a computer to generate 50 random numbers and then picks students whose names correspond to the numbers. Items a, e, f, k, and l are quantitative discrete; items d, j, and n are quantitative continuous; items b, c, g, h, i, and m are qualitative. Excelling your basic knowledge about the subject promotes conceptual learning and hence, you can easily get familiar with new concepts too. the chance of picking the first person for any particular sample is 1000 out of 10,000 (0.1000); the chance of picking a different second person is 999 out of 9,999 (0.0999); you do not replace the first person before picking the next person. We choose ten different part-time students from the disciplines of chemistry, math, English, psychology, sociology, history, nursing, physical education, art, and early childhood development. Sampling without replacement instead of sampling with replacement becomes a mathematical issue only when the population is small. A random number generator is used to pick two of those years. Its really normal for you to feel anxious before your exam especially when the subject is statistics. feet. The data are continuous because the data can take on any value in an interval. Small letters like \(x\) or \(y\) generally are used to represent data values. The actual process of sampling causes sampling errors. We need to evaluate the statistical studies we read about critically and analyze them before accepting the results of the studies. Determine whether the value is from a discrete or continuous It is from a discrete data set because the number of possible values is infinite and countable. Random sampling methods include simple random sampling, stratified sampling, cluster sampling, and systematic sampling. Compare the fractions 9/25 and 9/24. novel method for jointly modeling the evolution of discrete and This page titled 1.2: Variables and Types of Data is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by OpenStax via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request. For qualitative data, if the list can be sorted naturally, we further specify it as an ordinal variable. Measurement of height and weight of a student, Daily temperature measurement of a place, Wind speed measured daily, etc. A pollster interviews all human resource personnel in five different high tech companies. Qualitative data tells about the perception of people. MAT 131 - Descriptive Statistics Ch. 1.2 - Types of Data - Quizlet Data that takes distinct values and cannot be in decimals is called discrete data. Rational Numbers Between Two Rational Numbers, XXXVII Roman Numeral - Conversion, Rules, Uses, and FAQs, Find Best Teacher for Online Tuition on Vedantu. Below are tables comparing the number of part-time and full-time students at De Anza College and Foothill College enrolled for the spring 2010 quarter. Determine whether the data are from discrete data or continuous data set. Using a calculator, random numbers are generated and a student from a particular discipline is selected if he or she has a corresponding number. a chemical reaction comma repeated several times Choose the correct The amount of money they spend on books is probably much less than the average parttime student. The data are discrete because the data can take on any value in an interval. Solved State whether the data described below are discrete - Chegg Answered: State whether the data described below | bartleby Data are individual items of information that come from a population or sample. A continuous data set because there are infinitely many possible values and those values cannot be counted. Notice how much larger the percentage for part-time students at Foothill College is compared to De Anza College. a. These 15 quiz scores are the systematic sample. Create a cluster sample by considering each state as a stratum (group). However, in the real world age is often treated as a discrete variable because it makes more sense when collecting data and when reporting the results of a study. Surveys are typically done without replacement. Great Learning's Blog covers the latest developments and innovations in technology that can be leveraged to build rewarding careers. B. The data are the weights of backpacks with books in them. Otherwise, the variable is nominal. The data are the colors of houses. However, if two or more of you are taking the same data and get very different results, it is time for you and the others to reevaluate your data-taking methods and your accuracy. It is not possible to measure qualitative data in terms of numbers and it is subdivided into nominal and ordinal data. They may be related (correlated) because of their relationship through a different variable. You sample five houses. 1.2: Variables and Types of Data - Statistics LibreTexts This section will describe a few of the most common methods. four children shared a two third liter bottle of drink equal.how much did each child drink , two pairs of hikers leave the same camp heading in opposite divections. If you and your friends carry backpacks with books in them to school, the numbers of books in the backpacks are discrete data and the weights of the backpacks are continuous data. Dominic Lusinchi, President Landon and the 1936 Literary Digest Poll: Were Automobile and Telephone Owners to Blame? Social Science History 36, no. Math 227 - Statistics Flashcards | Quizlet That is, once a member is picked, that member goes back into the population and thus may be chosen more than once. The data are continuous because the data can take Difference Between Continuous and Discrete Data, Questions on Discrete Data Continuous Data. discrete because the data can only. The numbers of programs installed on various computers ANSWERA.) To do so, the ship must sail between two pairs of islands, avoiding sailing between a third p feet, 180 sq. The data are continuous because State whether the data described below are discrete or continuous and explain why The amounts of time that different - Answered by a verified Tutor . Students often ask if it is "good enough" to take a sample, instead of surveying the entire population. You measure continuous data. The station wants to know if its audience would prefer more music or more talk shows. Factors not related to the sampling process cause nonsampling errors. You can go for a business analyst or a statistician or a financial analyst or even an economist etc. It is not possible to measure qualitative data in terms of. According to a report, today, at least 2.5 quintillion bytes of data are produced per day. C. The data are continuous because the data can only take on specific values. It is classified into two broad categories: qualitative data and quantitative data. What type of data does this graph show? Even if Doreen and Jung used the same sampling method, in all likelihood their samples would be different. A. 2311Review - Math 2311 Test 1 Review Know all definitions! State Create a cluster sample by picking two of the columns. The measure of ZQ is 10 less than the measure of LP. The areas of the lawns are 144 sq. the number of data values is increased), their sample results (the average amount of time a student sleeps) might be closer to the actual population average. 1.2.13 State whether the data described below are discrete or continuous and explain why.The times required by students to complete a statistics test Choose the correct answer below. Quantitative data may be either discrete or continuous. For example, the sample may not be large enough. A completely random method is used to select 75 students. The data are discrete because the data can only take on specific values. Experts are tested by Chegg as specialists in their subject area. O A. Both samples are biased. b. According to a report, today, at least2.5 quintillion bytes of data are produced per day. Then use simple random sampling to choose proportionate numbers from the first department and do the same for each of the remaining departments. These types of data are sorted by category, not by number. A sample of 100 undergraduate San Jose State students is taken by organizing the students names by classification (freshman, sophomore, junior, or senior), and then selecting 25 students from each. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Work collaboratively to determine the correct data type (quantitative or qualitative). The three cans of soup, two packages of nuts, four kinds of vegetables and two desserts are quantitative discrete data because you count them. The discrete data contain the values that fall under integers or whole numbers. State whether the data described below are discrete or continuous, and explain why. c. Examples: crash testing cars or medical testing for rare conditions, Undue influence: collecting data or asking questions in a way that influences the response. In statistics, a sampling bias is created when a sample is collected from a population and some members of the population are not as likely to be chosen as others (remember, each member of the population should have an equally likely chance of being chosen). Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. Data may be classified as qualitative, quantitative continuous, or quantitative discrete. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. You should know how to manage your time and utilize it in the best way possible. (2012), D is the discrete character data, z is a particular character mapping, and are the parameters of the hOUwie model. If we have quantitative data, such as the correct number of questions on a test, then the data can be continuous or discrete. Compare the fractions 999/10,000 and 999/9,999. interval. OD. continuous, and explain why. Suppose ABC College has 10,000 part-time students (the population). Therefore this is discrete data. Starting with that student, every 50th student is chosen until 75 students are included in the sample. You can go for many of the career options if you pursue stats, you can get detailed information about all of the above-mentioned choices and also many more careers on the online website of Vedantu which tells the full forms and also the detailed explanation of each one of them. To choose a systematic sample, randomly select a starting point and take every nth piece of data from a listing of the population. Now business runs on data, and most companies use data for their insights to create and launch campaigns, design strategies, launch products and services or try out different things. Can I get some help? If you feel like your doubt is stupid and you skip it rather than ask it, it is not the correct approach. You'll find career guides, tech tutorials and industry news to keep yourself updated with the fast-changing world of tech and business. The list of fruit is nominal. Divide your college faculty by department. But still, their samples would be, in all likelihood, different from each other. O A. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. c. The data are continuous because the data can take on any value in an interval. Data is the new oil. Today data is everywhere in every field. pair starts due east and then turns 50 toward north. The bar graph is used to graphically represent discrete data. Statistical data about spreading of the epidemic are known in discrete periods of time, for example twenty-four hours. As you become accustomed to sampling, the variability will begin to seem natural. Intraobserver repeatability for a standardized protocol to quantify