state whether the data is discrete or continuous

Can we have both discrete data and continuous data from the same experiment? The data are continuous because the data can only take on specific values. When a car is randomly selected, it is found to have 3 wipers. Show More. The discrete data contain the values that fall under integers or whole numbers. 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). You measure continuous data. When a sampling bias happens, there can be incorrect conclusions drawn about the population that is being studied. A large ship is sailing between three small islands. Therefore this is discrete data. The data are continuous because the data can take Show Less. Press ENTER two more times for the other 2 random numbers. Compared to nominal data, ordinal data have some kind of order that is not present in nominal data. Surveys mailed to households and then returned may be very biased (they may favor a certain group). However for practical reasons, in most populations, simple random sampling is done without replacement. The volume of cola in a can is 11.8 oz. - Example, Formula, Solved Examples, and FAQs, Line Graphs - Definition, Solved Examples and Practice Problems, Cauchys Mean Value Theorem: Introduction, History and Solved Examples. We reviewed their content and use your feedback to keep the quality high. It is easy in many cases, discrete data is preceded by the number of, which makes the differentiation of results easier. The data are discrete because the data can only take on specific values. 2003-2023 Chegg Inc. All rights reserved. For example, you can not have a natural order for apple, orange, and banana. Surely, you can get all the study material on Vedantu mobile app- learn live online. Grouped distribution of continuous data tabulation frequencies is performed against a value group. 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). If the survey is done well, the answer is yes. Therefore, adjustment of the differential equations system under such data . If she needed to, Lisa could have generated more random numbers. For instance, hair color might be black, dark brown, light brown, blonde, gray, or red. Even if Doreen and Jung used the same sampling method, in all likelihood their samples would be different. Name data sets that are quantitative discrete, quantitative continuous, and qualitative. Using a calculator, random numbers are generated and a student from a particular discipline is selected if he or she has a corresponding number. These 15 quiz scores are the systematic sample. Quantitative data are the result of counting or measuring attributes of a population. The two-digit number 14 corresponds to Macierz, 05 corresponds to Cuningham, and 04 corresponds to Cuarismo. The data are the number of machines in a gym. If you feel tired at the moment, even that too is fine. Samples that contain different individuals result in different data. A soccer coach selects six players from a group of boys aged eight to ten, seven players from a group of boys aged 11 to 12, and three players from a group of boys aged 13 to 14 to form a recreational soccer team. We need to evaluate the statistical studies we read about critically and analyze them before accepting the results of the studies. What type of data is this? You can email the site owner to let them know you were blocked. You should ask the doubt there and then clear it, analyze it and work on it. and the Michigan State University Institutional Animal Care and Use Committee prior to the start of data collection. The sample probably consists more of people who prefer music because it is a concert event. The circumferences (in inches) of people's heads Choose the correct answer below. Which pair is farther from camp? Also, the sample represents only those who showed up to the event earlier than the majority. Factors not related to the sampling process cause nonsampling errors. Measurement of height and weight of a student, Daily temperature measurement of a place, Wind speed measured daily, etc. It is classified into two broad categories: qualitative data and quantitative data. Both samples are biased. This data helps market researchers understand the customers tastes and then design their ideas and strategies accordingly. Books for these classes tend to be expensive. Nominal data.Ordinal data.Discrete data.Continuous data. It is further classified as discrete data and continuous data. Log on to our website and explore courses delivered by industry experts. The data are discrete because the data can take on any value in an interval. 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. amount of money (in dollars) won playing poker, IQ scores (This may cause some discussion.). Finite values have discrete data. State whether the data described below are discrete or continuous, and explain why. The class boundaries are 10 to less than 13, 13 to less than 16, 16 to less than 19, 19 to less than 22, and 22 to less than 25. 2003-2023 Chegg Inc. All rights reserved. The action you just performed triggered the security solution. A more technological way is for Lisa to first list the last names of the members of her class together with a two-digit number, as in Table \(\PageIndex{2}\): Lisa can use a table of random numbers (found in many statistics books and mathematical handbooks), a calculator, or a computer to generate random numbers. It is classified into two broad categories: qualitative data and quantitative data. If we have quantitative data, such as the correct number of questions on a test, then the data can be continuous or discrete. Because students can complete only a whole number of hours (no fractions of hours allowed), this data is quantitative discrete. Vedantu LIVE Online Master Classes is an incredibly personalized tutoring platform for you, while you are staying at your home. Frequently Asked Questions, Pew Research Center for the People & the Press, www.people-press.org/methodolwer-your-polls (accessed May 1, 2013). You may wrap around (go back to the beginning). 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. The percent columns make comparing the same categories in the colleges easier. Divide 84 a money box contains 1 coins, 2 coins, 5 coins and 10 coins 10 coins is four times the number of 1 coins. O A. Each undergraduate student in the fall semester has the same probability of being chosen at any stage of the sampling process. First, we use convenience sampling and survey ten students from a first term organic chemistry class. Larger samples are better, if possible. This pie chart shows the students in each year, which is qualitative data. All the members from these clusters are in the cluster sample. State whether the data described below are discrete or continuous, and explain why: . the number of classes you take per school year. answer below. You must choose 400 names for the sample. 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. These kinds of data can be considered in-between qualitative and quantitative data. A. Conduct the survey by sitting in Central Park on a bench and interviewing every person who sits next to you. 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. You go to the supermarket and purchase three cans of soup (19 ounces) tomato bisque, 14.1 ounces lentil, and 19 ounces Italian wedding), two packages of nuts (walnuts and peanuts), four different kinds of vegetable (broccoli, cauliflower, spinach, and carrots), and two desserts (16 ounces Cherry Garcia ice cream and two pounds (32 ounces chocolate chip cookies). Your phone book contains 20,000 residence listings. This variability in samples cannot be stressed enough. Confounding: When the effects of multiple factors on a response cannot be separated. Indicate whether quantitative data are continuous or discrete. These data are used for observation like customer satisfaction, happiness, etc., but we cant do any arithmetical tasks on them. In a college population of 10,000 people, suppose you want to pick a sample of 1,000 randomly for a survey. One student has a red backpack, two students have black backpacks, one student has a green backpack, and one student has a gray backpack. The job of the statistician is to see through the variability and draw appropriate conclusions. Do you think that this sample is representative of (or is characteristic of) the entire 20,000 listener population? The data are discrete because the data can . Question: State whether the data described below are discrete or continuous, and explain why. This is true even when the samples are well-chosen and representative of the population. Qualitative data tells about the perception of people. For qualitative data, if the list can be sorted naturally, we further specify it as an ordinal variable. The data are because.continuous the data can take on any value in an interval B. The data are the colors of houses. State whether the data described below are discrete or continuous, and explain why The speeds of the different people walking in a park Choose the correct answer below. Pick three quiz scores randomly from each column. For any particular sample of 1,000, if you are sampling with replacement. a. Starting with that student, every 50th student is chosen until 75 students are included in the sample. Ordinal data have natural ordering where a number is present in some kind of order by their position on the scale. Record the number of ones, twos, threes, fours, fives, and sixes you get in the following table (frequency is the number of times a particular face of the die occurs): Did the two experiments have the same results? These data cant be broken into decimal or fraction values. A type of sampling that is non-random is convenience sampling. Hair color, blood type, ethnic group, the car a person drives, and the street a person lives on are examples of qualitative data. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. 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. A. State whether each situation is categorical or quantitative. categorical, quantitative discrete or quantitative continuous. Statistics and Probability questions and answers, CS State whether the data described below are discrete or continuous, and explain why. Hint: Data that are discrete often start with the words "the number of.". Also, in both cases, not all students have a chance to be in either sample. A. discrete because the data can only. Manufacturers regularly run tests to determine if the amount of beverage in a 16-ounce can falls within the desired range. B. The graph in Figure \(\PageIndex{5}\) is a Pareto chart. What is the main difference between discrete and continuous data? 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. According to a report, today, at least2.5 quintillion bytes of data are produced per day. However, students shall understand that it is important for them to recognize their interests and based on that, select the best career path possible. B. State whether the data described below are discrete or? The data are continuous because the data can only take on specific values. It only contains finite values, the subdivision of which is not possible. the type of car you drive. The weights of the soups (19 ounces, 14.1 ounces, 19 ounces) are quantitative continuous data because you measure weights as precisely as possible. O B. The data are discrete because the data can only take on specific values. c . continuous, and explain why. For column 1, Press 5:randInt( and enter 1,10). Statistical data about spreading of the epidemic are known in discrete periods of time, for example twenty-four hours. Divide your college faculty by department. . The exact distances (in centimeters) between the chairs in a college classroom. Random sampling methods include simple random sampling, stratified sampling, cluster sampling, and systematic sampling. B. For example, call-in surveys are invariably biased, because people choose to respond or not. Confounding makes it difficult or impossible to draw valid conclusions about the effect of each factor. 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 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. 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. a chemical reaction comma repeated several times Choose the correct Record these numbers. Examples: crash testing cars or medical testing for rare conditions, Undue influence: collecting data or asking questions in a way that influences the response. To determine the proportion of people taking public transportation to work, survey 20 people in New York City. Blood type might be AB+, O-, or B+. The data are the number of books students carry in their backpacks. Whenever you face any problem the best solution is consulting the concerned teacher, you should never hesitate to ask for doubts. A. Record the number and the first quiz score. Number the population 120,000 and then use a simple random sample to pick a number that represents the first name in the sample. 5 (2006). There are a number of options if you go for the statistics degree.

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