state whether the data is discrete or continuous

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. Also, in both cases, not all students have a chance to be in either sample. a. 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. A completely random method is used to select 75 students. You have to be dedicated. Sample size issues: Samples that are too small may be unreliable. Each undergraduate student in the fall semester has the same probability of being chosen at any stage of the sampling process. Learn data analytics or software development & get guaranteed* placement opportunities. What type of data does this graph show? The numbers of majors offered by colleges Choose the correct answer below. These data can be represented on a wide variety of graphs and charts, such as bar graphs, histograms, scatter plots, boxplots, pie charts, line graphs, etc. A high school counselor uses a computer to generate 50 random numbers and then picks students whose names correspond to the numbers. 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. Instead of that, just revise what youve already done. We might make different choices of what we think is the best graph depending on the data and the context. Cloudflare Ray ID: 7a2992ec2e151da5 LBCC Distance Learning (DL) program data in 2010-2011. lastbaldeagle. Question: CS State whether the data described below are discrete or continuous, and explain why. For example, 16-ounce cans of beverage may contain more or less than 16 ounces of liquid. The number of books in a rack is a finite countable number. Procrastination isnt even the last option if you are preparing for a statistics exam. The data are discrete because the data can take on any value in an interval. If the survey is done well, the answer is yes. The following graph is the same as the previous graph but the Other/Unknown percent (9.6%) has been included. For column 1, Press 5:randInt( and enter 1,10). It is a good idea to look at a variety of graphs to see which is the most helpful in displaying the data. The type of data that has clear spaces between values is discrete data. O A. Quantitative data may be either discrete or continuous. LCM of 3 and 4, and How to Find Least Common Multiple, What is Simple Interest? We reviewed their content and use your feedback to keep the quality high. To find the average annual income of all adults in the United States, sample U.S. congressmen. Sampling data should be done very carefully. The distance from G to H in A random number generator is used to select a student from the alphabetical listing of all undergraduate students in the Fall semester. A local radio station has a fan base of 20,000 listeners. The weights (in tons) of the trees in a forestANSWERA.) The bar graph is used to graphically represent discrete data. Pick three quiz scores randomly from each column. Surely, you can get all the study material on Vedantu mobile app- learn live online. They may be related (correlated) because of their relationship through a different variable. It was mentioned previously that two or more samples from the same population, taken randomly, and having close to the same characteristics of the population will likely be different from each other. C. Continuous data. Question: State whether the data described below are discrete or continuous, and explain why. Record the quiz scores that correspond to these numbers. A. Most of these students are, more than likely, paying more than the average part-time student for their books. Press ENTER. B. OC. Quick Check Introduction to Data Science. The students spend the following amounts: $180; $50; $150; $85; $260; $75; $180; $200; $200; $150. The numbers of books (three, four, two, and one) are the quantitative discrete data. Ans: Ducks in a pond are discrete data because the number of ducks is a finite number. According to a report, today, at least2.5 quintillion bytes of data are produced per day. State whether the data described below are discrete or continuous, and explain why. When you analyze data, it is important to be aware of sampling errors and nonsampling errors. Notice that the frequencies do not add up to the total number of students. The data are continuous because the data can only take on specific values. As you become accustomed to sampling, the variability will begin to seem natural. Discrete data: When numerical data has values that are countable and specific to a particular category, it is called discrete data. Notice that backpacks carrying three books can have different weights. Qualitative data tells about the perception of people. Can I get some help? Your instructor will give each group one six-sided die. Name data sets that are quantitative discrete, quantitative continuous, and qualitative. Data that can only take on certain values are discrete data. Press ENTER. To determine the average cost of a two-day stay in a hospital in Massachusetts, survey 100 hospitals across the state using simple random sampling. You are going to use the random number generator to generate different types of samples from the data. Variation is present in any set of data. 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. B.The data are discrete because the data can only take on specific values. Two positions of an open gate are shown. Data may come from a population or from a sample. You should ask the doubt there and then clear it, analyze it and work on it. For qualitative data, if the list can be sorted naturally, we further specify it as an ordinal variable. The volume of cola in a can is 11.8 oz. If Doreen and Jung took larger samples (i.e. The data are discrete because the data can only take on specific values. You sample the same five students. You can also visit their website. Create a cluster sample by considering each state as a stratum (group). A continuous data set because there are infinitely many possible values and those values cannot be counted. feet, 180 sq. Which is the safest route for the ship? Besides herself, Lisas group will consist of Marcierz, Cuningham, and Cuarismo. Continuous data represents information that can be divided into smaller levels. What type of data is this? Once you are clear with the basic concept, you shall be able to understand additional concepts easily. For the purpose of analysis, data are presented as the facts and figures collected together. Dominic Lusinchi, President Landon and the 1936 Literary Digest Poll: Were Automobile and Telephone Owners to Blame? Social Science History 36, no. Data from www.bookofodds.com/Relationsh-the-President. The continuous data can be broken down into. Data is classified into 4 types. Hint: Data that are discrete often start with the words "the number of." the number of pairs of shoes you own. Convenience sampling is a nonrandom method of choosing a sample that often produces biased data. Continuous data is the data that can be of any value. Experts are tested by Chegg as specialists in their subject area. The data . For example, suppose you have to do a phone survey. Instructions: Use the Random Number Generator to pick samples. From that number, count ten quiz scores and record that quiz score. The data are discrete because the data can take on any value in an interval. The data are discrete because the data can take on any value in an interval. according to measurement accuracy, it can be significantly subdivided into smaller sections. The tables display counts (frequencies) and percentages or proportions (relative frequencies). The percent columns make comparing the same categories in the colleges easier. 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. A.The data are continuous because the data can only take on the data can only take on specificvalues. The option "B" is correct i.e. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. That is, a member of the population may be chosen only once. Surveys mailed to households and then returned may be very biased (they may favor a certain group). The registrar at State University keeps records of the number of credit hours students complete each semester. A sample should have the same characteristics as the population it is representing. Excelling your basic knowledge about the subject promotes conceptual learning and hence, you can easily get familiar with new concepts too. What is the type of sampling in each case? They spend: $50; $40; $36; $15; $50; $100; $40; $53; $22; $22. For example, call-in surveys are invariably biased, because people choose to respond or not. Arrow over to PRB. The data are continuous because the data can take on any value in an interval. Suppose Doreen and Jung both decide to study the average amount of time students at their college sleep each night. The two-digit number 14 corresponds to Macierz, 05 corresponds to Cuningham, and 04 corresponds to Cuarismo. Which experiment had the correct results? Even if Doreen and Jung used the same sampling method, in all likelihood their samples would be different. The use of discrete and continuous quantitative variables would be helpful for detecting intervention effects . A stated earlier, Lengths are in general, continuous variables. Qualitative data are generally described by words or letters. Neither would be wrong, however. B. The other examples of qualitative data are : Difference between Nominal and Ordinal Data, Difference between Discrete and Continuous Data, 22 Top Data Science Books Learn Data Science Like an Expert, PGP In Data Science and Business Analytics, PGP In Artificial Intelligence And Machine Learning, Nominal data cant be quantified, neither they have any intrinsic ordering, Ordinal data gives some kind of sequential order by their position on the scale, Nominal data is qualitative data or categorical data, Ordinal data is said to be in-between qualitative data and quantitative data, They dont provide any quantitative value, neither can we perform any arithmetical operation, They provide sequence and can assign numbers to ordinal data but cannot perform the arithmetical operation, Nominal data cannot be used to compare with one another, Ordinal data can help to compare one item with another by ranking or ordering, Discrete data are countable and finite; they are whole numbers or integers, Continuous data are measurable; they are in the form of fractions or decimal, Discrete data are represented mainly by bar graphs, Continuous data are represented in the form of a histogram, The values cannot be divided into subdivisions into smaller pieces, The values can be divided into subdivisions into smaller pieces, Discrete data have spaces between the values, Continuous data are in the form of a continuous sequence, Opinion on something (agree, disagree, or neutral), Colour of hair (Blonde, red, Brown, Black, etc. State whether the data described below are discrete or? Working with data requires good data science skills and a deep understanding of different types of data and how to work with them. 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. The data are discrete because the data can only take on specific values. categorical, quantitative discrete or quantitative continuous. The data are continuous because the data can take on any value in an interval. Amount of money, pulse rate, weight, number of people living in your town, and number of students who take statistics are examples of quantitative data. B. The data are because.continuous the data can take on any value in an interval B. Asking all 20,000 listeners is an almost impossible task. The random numbers 0.94360 and 0.99832 do not contain appropriate two digit numbers. You sample five students. Question: State whether the data described below are discrete or continuous, and explain why. Continuous data: When numerical data has . 2003-2023 Chegg Inc. All rights reserved. The data are the areas of lawns in square feet. It helps you in saving time later as you already have some knowledge about algebra. Press ENTER and record that number. Measurement of height and weight of a student, Daily temperature measurement of a place, Wind speed measured daily, etc. To choose a simple random sample of size three from the other members of her class, Lisa could put all 31 names in a hat, shake the hat, close her eyes, and pick out three names. Press 5:randInt( and enter 1, 60). Your answer is correct. Causality: A relationship between two variables does not mean that one causes the other to occur. The data are discrete because the data can only take on specific values. Three cell phone towers form APQR. 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. Difference Between Continuous and Discrete Data, Questions on Discrete Data Continuous Data. 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. The Data and Story Library, lib.stat.cmu.edu/DASL/Datafiles/USCrime.html (accessed May 1, 2013). The prison populations of different countries ha Choose the correct answer below. Manufacturers regularly run tests to determine if the amount of beverage in a 16-ounce can falls within the desired range. b. Points in a graph of the discrete function remain unconnected. Height is continuous but we sometimes don't really worry too much about minor variations and club heights into a set of discrete data instead. 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. Compare the fractions 999/10,000 and 999/9,999. The actual process of sampling causes sampling errors. Hint: Data that are discrete often start with the words "the number of.". The data are continuous because the data can only take on specific values. Your IP: The gender of a person, i.e., male, female, or others, is qualitative data. y's house is at D, 750 feet from the intersection. Besides simple random sampling, there are other forms of sampling that involve a chance process for getting the sample. The amount a person grew (in height) in a year. c. 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. This data helps market researchers understand the customers tastes and then design their ideas and strategies accordingly. It may take any numeric value, within a potential value range of finite or infinite. Non-response or refusal of subject to participate: The collected responses may no longer be representative of the population. So is the case of statistics too. Examples: crash testing cars or medical testing for rare conditions, Undue influence: collecting data or asking questions in a way that influences the response. Show how you know. Sleep deprivation is of no use, instead, you should take a nap to relax the nerves of your brain in order to learn and study later. The data are the colors of backpacks. The graph in Figure $\PageIndex{5}$ is a Pareto chart. 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It is understandable that it must be making you feel nervous right now but your emotions are valid! Discrete is data that can take only certain values. Log on to our website and explore courses delivered by industry experts. The land areas of different countries Choose the correct answer below. O A. Nominal Data is used to label variables without any order or quantitative value. The data are discrete because the data can only take on specific values. B. To four decimal places, 9/25 = 0.3600 and 9/24 = 0.3750. These data consist of audio, images, symbols, or text. Weights are quantitative continuous data because weights are measured. What can you conclude about the angles opposite these sides?