. The data are continuous because An administrative assistant is asked to stand in front of the library one Wednesday and to ask the first 100 undergraduate students he encounters what they paid for tuition the Fall semester. a. Ordinal data is qualitative data for which their values have some kind of relative position. The data are continuous because the data can only take on specific values. and the Michigan State University Institutional Animal Care and Use Committee prior to the start of data collection. Work more on basics as they form the basis for many other concepts. (2012), D is the discrete character data, z is a particular character mapping, and are the parameters of the hOUwie model. One-third of a number when decreased by 2 equals one-fifth of the nimenbe Find the number. The safest route is to avoid the closest pair of islands. 2003-2023 Chegg Inc. All rights reserved. Excelling your basic knowledge about the subject promotes conceptual learning and hence, you can easily get familiar with new concepts too. They both did. The amount a person grew (in height) in a year. Why or why not? 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. To find out the most popular cereal among young people under the age of ten, stand outside a large supermarket for three hours and speak to every twentieth child under age ten who enters the supermarket. The data are discrete because the data can only take on specific values. That is, once a member is picked, that member goes back into the population and thus may be chosen more than once. The points are associated with an unbroken line. State whether the data described below are discrete or? continuous, and This is completely natural. Two students carry three books, one student carries four books, one student carries two books, and one student carries one book. c. 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. Determine whether the given value is from a discrete or continuous data It is easy in many cases, discrete data is preceded by the number of, which makes the differentiation of results easier. Step 2: Discrete and continuous data. Question: CS State whether the data described below are discrete or continuous, and explain why. 2013 - 2023 Great Lakes E-Learning Services Pvt. Which is the safest route for the ship? Nominal Data is used to label variables without any order or quantitative value. We are interested in the average amount of money a part-time student spends on books in the fall term. It helps you in saving time later as you already have some knowledge about algebra. The data are the colors of houses. For example, if the population is 25 people, the sample is ten, and you are sampling with replacement for any particular sample, then the chance of picking the first person is ten out of 25, and the chance of picking a different second person is nine out of 25 (you replace the first person). If you sample without replacement, then the chance of picking the first person is ten out of 25, and then the chance of picking the second person (who is different) is nine out of 24 (you do not replace the first person). The weights (in pounds) of their backpacks are 6.2, 7, 6.8, 9.1, 4.3. You can specify conditions of storing and accessing cookies in your browser. O A. To choose a stratified sample, divide the population into groups called strata and then take a proportionate number from each stratum. The easiest method to describe is called a simple random sample. For example, it does not make sense to find an average hair color or blood type. OC. Create a stratified sample by column. One gym has 12 machines, one gym has 15 machines, one gym has ten machines, one gym has 22 machines, and the other gym has 20 machines. Again, you sample the same five students. State whether the data described below are discrete or continuous, and explain why. Be aware that as you take data, your data may vary somewhat from the data someone else is taking for the same purpose. Nominal and ordinal data can act as both discrete and continuous. Data may come from a population or from a sample. Three cell phone towers form APQR. The quiz scores (20 of them) in these 2 columns are the cluster sample. Number of bacteria in a petri dish is 12,120. A discrete variable, on the other hand, can only take on specific values. Confounding makes it difficult or impossible to draw valid conclusions about the effect of each factor. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. 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. Any group of n individuals is equally likely to be chosen by any other group of n individuals if the simple random sampling technique is used. Qualitative data are generally described by words or letters. Lisa reads two-digit groups until she has chosen three class members (that is, she reads 0.94360 as the groups 94, 43, 36, 60). the type of car you drive. Compare the fractions 999/10,000 and 999/9,999. However, students shall understand that it is important for them to recognize their interests and based on that, select the best career path possible. To choose a simple random sample from each department, number each member of the first department, number each member of the second department, and do the same for the remaining departments. Data are individual items of information that come from a population or sample. The triangles show the position of the gate in relation to its closed position. Then survey every U.S. congressman in the cluster. In this article, we have discussed the data types and their differences. A histogram is used to display quantitative data: the numbers of credit hours completed. The data are continuous because 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. These data dont have any meaningful order; their values are distributed into distinct categories. 1: 23-54 (2012), ssh.dukejournals.org/content/36/1/23.abstract (accessed May 1, 2013). , i.e. A statistics professor collects information about the classification of her students as freshmen, sophomores, juniors, or seniors. State whether each situation is categorical or quantitative. A high school educational researcher interviews 50 high school female teachers and 50 high school male teachers. In other words, each sample of the same size has an equal chance of being selected. A random number generator is used to pick two of those years. Still, continuous data stores the fractional numbers to record different types of data such as temperature, height, width, time, speed, etc. Confounding: When the effects of multiple factors on a response cannot be separated. The volumes left parenthesis in cubic feet right parenthesis of different rooms Choose the correct answer below. 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. For example, suppose Lisa wants to form a four-person study group (herself and three other people) from her pre-calculus class, which has 31 members not including Lisa. 25. Examples are lengths, temperature, etc. These data are used for observation like customer satisfaction, happiness, etc., but we cant do any arithmetical tasks on them. C. The data are When you have a numeric variable, you need to determine whether it is discrete or continuous. Random sampling methods include simple random sampling, stratified sampling, cluster sampling, and systematic sampling. It is classified into two broad categories: qualitative data and quantitative data. You must choose 400 names for the sample. Performance & security by Cloudflare. A discrete data set because there are a finite number of possible values. The weights (in tons) of the trees in a forestANSWERA.) Look at Figures \(\PageIndex{3}\) and \(\PageIndex{4}\) and determine which graph (pie or bar) you think displays the comparisons better. The numbers of hotels in cities Choose the correct answer below. To choose a cluster sample, divide the population into clusters (groups) and then randomly select some of the clusters. While working on these data, it is important to know the types of data to process them and get the right results. Discrete data: When numerical data has values that are countable and specific to a particular category, it is called discrete data. Create a simple random sample of 15 quiz scores. If we have quantitative data, such as the correct number of questions on a test, then the data can be continuous or discrete. We all know that time is very important, it doesnt wait for anyone. Continuous data is the data that can be of any value. The following pie charts have the Other/Unknown category included (since the percentages must add to 100%). The data she collects are summarized in the pie chart Figure \(\PageIndex{1}\). The road from A to E and the road from C and D are perpendicular and intersect at point F. Theresa's house is at C, 500 feet from the intersection. Ungrouped frequency distribution of discrete data is performed against a single value. The use of discrete and continuous quantitative variables would be helpful for detecting intervention effects . b. . a. This data helps a company analyze its business, design its strategies, and help build a successful data-driven decision-making process. These values do not have to be complete numbers, but they are values that are fixed. According to a report, today, at least 2.5 quintillion bytes of data are produced per day. Continuous data are in the form of fractional numbers. Notice that the frequencies do not add up to the total number of students. . The option "B" is correct i.e. That is, a member of the population may be chosen only once. Determine whether the data are from discrete data or continuous data set. Nominal data.Ordinal data.Discrete data.Continuous data. Think about what contributes to making Doreens and Jungs samples different. This variability in samples cannot be stressed enough. Working with data requires good data science skills and a deep understanding of different types of data and how to work with them. O A. The key difference between discrete and continuous data is that discrete data contains the integer or whole number. Most of these students are, more than likely, paying more than the average part-time student for their books. Quantitative data may be either discrete or continuous. 2311Review - Math 2311 Test 1 Review Know all definitions! State The actual process of sampling causes sampling errors. A pollster interviews all human resource personnel in five different high tech companies. These data consist of audio, images, symbols, or text. The result of the rolling is a dice is 1, 2, 3, 4, 5, 6, 7, and 8. Number each department, and then choose four different numbers using simple random sampling. Students often ask if it is "good enough" to take a sample, instead of surveying the entire population. Doreen's sample will be different from Jung's sample. The prison populations of different countries ha Choose the correct answer below. State whether the data described below are discrete or continuous and explain why The amounts of time that different - Answered by a verified Tutor . The sample probably doesnt represent the entire fan base and is probably biased towards people who would prefer music. categorical, quantitative discrete or quantitative continuous. You sample the same five students. Here are a few steps to prepare well for your exam which has statistics as a part of the course. The colors red, black, black, green, and gray are qualitative data. Create a cluster sample by considering each state as a stratum (group). To determine the proportion of people taking public transportation to work, survey 20 people in New York City. Difference Between Continuous and Discrete Data, Questions on Discrete Data Continuous Data. B. Displaying percentages along with the numbers is often helpful, but it is particularly important when comparing sets of data that do not have the same totals, such as the total enrollments for both colleges in this example. There are many different potential problems that can affect the reliability of a sample. O A. Show how you know. State whether the data described below are discrete or continuous, and The two numbers are for two of the columns. A high school principal polls 50 freshmen, 50 sophomores, 50 juniors, and 50 seniors regarding policy changes for after school activities. Ra The circumferences (in inches) of people's heads Choose the correct answer below. We might make different choices of what we think is the best graph depending on the data and the context. The duration of movies in minutes A.The data are continuous because the data can take on any value in an interval. The data are continuous because the data can take on any value in an interval. What can you conclude about the angles opposite these sides? You sample five houses. Use the column numbers: one through six. Another example is learning how to use calculators. 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. You sample five gyms. 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). As a rule, the larger the sample, the smaller the sampling error. O C. It is not possible to measure qualitative data in terms of. The data are the number of machines in a gym. It only contains finite values, the subdivision of which is not possible. However, generally, we use age as a discrete, NCERT Solutions for Class 12 Business Studies, NCERT Solutions for Class 11 Business Studies, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 9 Social Science, NCERT Solutions for Class 8 Social Science, CBSE Previous Year Question Papers Class 12, CBSE Previous Year Question Papers Class 10. The amount of money they spend on books is probably much less than the average parttime student. A. It is further classified as discrete data and continuous data. The registrar at State University keeps records of the number of credit hours students complete each semester. Also read: 22 Top Data Science Books Learn Data Science Like an Expert. Even if Doreen and Jung used the same sampling method, in all likelihood their samples would be different. B. Over time, some continuous data can change. Continuous data represents information that can be divided into smaller levels. We provide you year-long structured coaching classes for CBSE and ICSE Board & JEE and NEET entrance exam preparation at affordable tuition fees, with an exclusive session for clearing doubts, ensuring that neither you nor the topics remain unattended. 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. The Data and Story Library, lib.stat.cmu.edu/DASL/Datafiles/USCrime.html (accessed May 1, 2013). Is the study impartial? A study is done to determine the average tuition that San Jose State undergraduate students pay per semester. 2003-2023 Chegg Inc. All rights reserved. novel method for jointly modeling the evolution of discrete and state whether the data is continous or discrete The durations of The data are continuous because the data can only take on specific values. You may wrap around (go back to the beginning). Statistics is a quite tough subject but for those who know how to use their mind, its the best one for them as it involves more practical knowledge and conceptual learning. All data that are the result of counting are called quantitative discrete data. The data are discrete because the data can only take on specific values. Solution: - Data : The capacities of different hotels. Causality: A relationship between two variables does not mean that one causes the other to occur. Solved state whether the data is continous or discrete The | Chegg.com Compared to nominal data, ordinal data have some kind of order that is not present in nominal data. If you feel like your doubt is stupid and you skip it rather than ask it, it is not the correct approach. Required fields are marked *. Be aware that many large samples are biased. It is countable. C. A sample should have the same characteristics as the population it is representing. Quantitative data can be expressed in numerical values, making it countable and including statistical data analysis. O C. The data are continuous because the data can take on any value in an interval. Two positions of an open gate are shown. The durations of a chemical reaction comma repeated . Press MATH. The continuous data can be broken down into fractions and decimals, i.e. Divide your college faculty by department. Using a calculator, random numbers are generated and a student from a particular discipline is selected if he or she has a corresponding number. Frequently Asked Questions, Pew Research Center for the People & the Press, www.people-press.org/methodolwer-your-polls (accessed May 1, 2013). Gathering information about an entire population often costs too much or is virtually impossible. Press 5:randInt( and enter 1,6). For some students, it might feel difficult as it involves logical thinking and mathematics but its a great option for those who love solving and putting their minds all into logic. In some situations, having small samples is unavoidable and can still be used to draw conclusions. A random number generator is used to select a student from the alphabetical listing of all undergraduate students in the Fall semester. feet, 190 sq. QUESTIONState whether the data described below are discrete or continuous, and explain why. The chart in Figure \(\PageIndex{6}\) is organized by the size of each wedge, which makes it a more visually informative graph than the unsorted, alphabetical graph in Figure \(\PageIndex{6}\). The size of a sample (often called the number of observations) is important. This site is using cookies under cookie policy . Surely, you can get all the study material on Vedantu mobile app- learn live online. The exact lengths (in kilometers) of the ocean coastlines of different countries. ), Education Level (Higher, Secondary, Primary), Total numbers of students present in a class, The total number of players who participated in a competition. feet. Making a schedule/timetable or studying together with your peers may help you in focusing and keep you active. Press ENTER. The height of a student from age 5-15 is continuous data because the height varies continuously from age 5-15 which is not a constant for 10 years. What is the main difference between discrete and continuous data? If Doreen and Jung took larger samples (i.e. Just know that you have prepared and worked hard for this. The name nominal comes from the Latin name nomen, which means name. With the help of nominal data, we cant do any numerical tasks or cant give any order to sort the data. For any particular sample of 1,000, if you are sampling with replacement. It includes only those values which are separate and can only be counted in whole numbers or integers, which means that the data can not be split into fractions or decimals. A. You count discrete data. The data are because.continuous the data can take on any value in an interval B.