Data is classified into 4 types. Press ENTER 15 times and record the numbers. Sample size issues: Samples that are too small may be unreliable. Collaborative Exercise 1.2. Discrete data is a sort of numerical data that consists of full, concrete numbers that have particular and fixed data values that are determined by counting. Roll one fair die (six-sided) 20 times. State whether the data described below are discrete or? continuous, and Have some sleep, its important. 1. Each student in the following samples is asked how much tuition he or she paid for the Fall semester. Random sampling methods include simple random sampling, stratified sampling, cluster sampling, and systematic sampling. The areas of the lawns are 144 sq. Each method has pros and cons. The table displays Ethnicity of Students but is missing the "Other/Unknown" category. The prison populations of different countries ha Choose the correct answer below. 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. Your instructor will give each group one six-sided die. State whether the data described below are discrete - Course Hero You sample five houses. This data is so important for us that it becomes important to handle and store it properly, without any error. 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. Most samples are taken from large populations and the sample tends to be small in comparison to the population. If we were to examine two samples representing the same population, even if we used random sampling methods for the samples, they would not be exactly the same. Q: Classify the Following as Discrete and Continuous Data. Experts are tested by Chegg as specialists in their subject area. air. Performance & security by Cloudflare. Age is discrete data because we could be infinitely precise and use an infinite number of decimal places, rendering age continuous as a result. For any particular sample of 1,000, if you are sampling with replacement. 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. For the purpose of analysis, data are presented as the facts and figures collected together. Many of these students are taking first term calculus in addition to the organic chemistry class. You are going to use the random number generator to generate different types of samples from the data. Great Learning's Blog covers the latest developments and innovations in technology that can be leveraged to build rewarding careers. You can specify conditions of storing and accessing cookies in your browser. Those numbers picked from the first department, picked from the second department, and so on represent the members who make up the stratified sample. State whether the data described below are discrete or continuous, and explain why. 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. according to measurement accuracy, it can be significantly subdivided into smaller sections. Most of these students are, more than likely, paying more than the average part-time student for their books. a. True random sampling is done with replacement. The data are continuous because the data can take Causality: A relationship between two variables does not mean that one causes the other to occur. The discrete data are countable and have finite values; their subdivision is not possible. Once you are clear with the basic concept, you shall be able to understand additional concepts easily. The following graph is the same as the previous graph but the Other/Unknown percent (9.6%) has been included. The examples you have seen in this book so far have been small. The Pareto chart has the bars sorted from largest to smallest and is easier to read and interpret. Determine the correct data type (quantitative or qualitative) for the number of cars in a parking lot. What can you conclude about the angles opposite these sides? What type of data is this? The color of hair can be considered nominal data, as one color cant be compared with another color. Keep counting ten quiz scores and recording the quiz score until you have a sample of 12 quiz scores. Name data sets that are quantitative discrete, quantitative continuous, and qualitative. Ordinal data have natural ordering where a number is present in some kind of order by their position on the scale. These values do not have to be complete numbers, but they are values that are fixed. c. Ducks in a pond are discrete data because the number of ducks is a finite number. Determine whether the data described below are qualitative or quantitative and explain why: . The amount of money they spend on books is probably much less than the average parttime student. Discrete is data that can take only certain values. Two positions of an open gate are shown. LCM of 3 and 4, and How to Find Least Common Multiple, What is Simple Interest? Therefore, adjustment of the differential equations system under such data . A local radio station has a fan base of 20,000 listeners. Qualitative or Categorical Data is data that cant be measured or counted in the form of numbers. Think about what contributes to making Doreens and Jungs samples different. Statistics and Probability questions and answers, CS 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. 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. O C. Also, the sample represents only those who showed up to the event earlier than the majority. State whether the data described below are discrete or? The freshman, sophomore, junior, and senior years are numbered one, two, three, and four, respectively. Hint: Data that are discrete often start with the words "the number of." the number of pairs of shoes you own. Tips and Tricks to study Discrete and Continuous Data, Age is discrete data because we could be infinitely precise and use an infinite number of decimal places, rendering age continuous as a result. a. The colors red, black, black, green, and gray are qualitative data. b. Quantitative data may be either discrete or continuous. You can get study material, solved and unsolved questions, and also quizzes which will help you test your knowledge. The data are the number of machines in a gym. the data can only take on specific values . For column 1, Press 5:randInt( and enter 1,10). A. State whether the data described below are discrete or Press ENTER. Show how you know. No. The job of the statistician is to see through the variability and draw appropriate conclusions. Making a schedule/timetable or studying together with your peers may help you in focusing and keep you active. 2013 - 2023 Great Lakes E-Learning Services Pvt. Hint: Data that are discrete often start with the words "the number of.". Doreen's sample will be different from Jung's sample. It can be the version of an android phone, the height of a person, the length of an object, etc. It helps you in saving time later as you already have some knowledge about algebra. The data are discrete because the data can only take on specific . There are a number of options if you go for the statistics degree. Researchers often prefer to use quantitative data over qualitative data because it lends itself more easily to mathematical analysis. Over time, some continuous data can change. 2003-2023 Chegg Inc. All rights reserved. Biased samples that are not representative of the population give results that are inaccurate and not valid. The term discrete means distinct or separate. Position 1 is less than the distance from G to H in Position 2. The Other/Unknown category is large compared to some of the other categories (Native American, 0.6%, Pacific Islander 1.0%). QUESTIONState whether the data described below are discrete or continuous, and explain why. the data can only take on specific values . we conducted an additional simulated control chart analysis to determine whether detection of this normal . Determine whether the given value is from a discrete or continuous data set. State whether the data described below are discrete or continuous, and explain why. State whether the data described below are discrete or continuous, and A medical researcher interviews every third cancer patient from a list of cancer patients at a local hospital. Instead of that, just revise what youve already done. They spend: $50; $40; $36; $15; $50; $100; $40; $53; $22; $22. 2. B. Quantitative data, on the other hand, is one that contains numerical values and uses a scope. Math 227 - Statistics Flashcards | Quizlet The total number of students in a class is an example of discrete data. The Data and Story Library, lib.stat.cmu.edu/DASL/Datafiles/USCrime.html (accessed May 1, 2013). It is classified into two broad categories: qualitative data and quantitative data. Tables are a good way of organizing and displaying data. according to measurement accuracy, it can be significantly subdivided into smaller sections. These kinds of data can be considered in-between qualitative and quantitative data. The data are continuous because the data can only take on specific values. Explain your reasoning. The two-digit number 14 corresponds to Macierz, 05 corresponds to Cuningham, and 04 corresponds to Cuarismo. Record the number. Continuous data: When numerical data has . b. Discrete Data Examples: The number of students in a class, the number of chocolates in a bag, the number of strings on the guitar, the number of fishes in the aquarium, etc. When you have a numeric variable, you need to determine whether it is discrete or continuous. Suppose Doreen and Jung both decide to study the average amount of time students at their college sleep each night. OC. Determine whether the data are from discrete data or continuous data set. 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. The data are discrete because the data can only take on specific values. A.The data are continuous because the data can only take on the data can only take on specificvalues. Nominal Data is used to label variables without any order or quantitative value. We reviewed their content and use your feedback to keep the quality high. Evaluate it on its merits and the work done. 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. and the Michigan State University Institutional Animal Care and Use Committee prior to the start of data collection. Sampling without replacement instead of sampling with replacement becomes a mathematical issue only when the population is small. Read the study carefully to evaluate the work. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. The data are discrete because the data can take on any value in an interval. A histogram is used to graphically represent continuous data. If quantitative, state whether it's discrete or continuous. The numbers of hotels in cities Choose the correct answer below. The data are continuous because the data can take on any value in an interval. Confounding: When the effects of multiple factors on a response cannot be separated. Ans: Ducks in a pond are discrete data because the number of ducks is a finite number. A completely random method is used to select 75 students. In reality, a sample will never be exactly representative of the population so there will always be some sampling error. Examples of discrete variables are the number of students and age. 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 \(\PageIndex{6}\). 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. If you feel like your doubt is stupid and you skip it rather than ask it, it is not the correct approach. Why or why not? The points are associated with an unbroken line. This category contains people who did not feel they fit into any of the ethnicity categories or declined to respond. 13. Create a cluster sample by picking two of the columns. Discrete data. A discrete variable, on the other hand, can only take on specific values. The data are continuous because the data can take on any value in an interval. For example, a computer software store conducts a marketing study by interviewing potential customers who happen to be in the store browsing through the available software. The gender of a person, i.e., male, female, or others, is qualitative data. This data helps market researchers understand the customers tastes and then design their ideas and strategies accordingly. ), Marital status (Single, Widowed, Married), When companies ask for feedback, experience, or satisfaction on a scale of 1 to 10, Letter grades in the exam (A, B, C, D, etc. The percent columns make comparing the same categories in the colleges easier. 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. O A. The number of classes a student missed. Quantitative data are the result of counting or measuring attributes of a population. Be aware that many large samples are biased. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. The data are the colors of backpacks. The data are discrete because the data can only take on specific values. The exact lengths (in kilometers) of the ocean coastlines of different countries. O C. A variable is said to be continuous if it can take on any value in an interval. 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. Since this is the case, sampling without replacement is approximately the same as sampling with replacement because the chance of picking the same individual more than once with replacement is very low. Each travels 2 miles, then changes direction and travels 1.2 miles. Learn data analytics or software development & get guaranteed* placement opportunities. State whether the data described below are discrete or continuous, and explain why. There are many different potential problems that can affect the reliability of a sample. You can email the site owner to let them know you were blocked. Be aware that as you take data, your data may vary somewhat from the data someone else is taking for the same purpose. B. Press 5:randInt( and enter 1,6). Results are the outcome of our efforts and if you believe that you have put your best, then you will surely be able to score good marks. The data are the colors of houses. These 15 quiz scores are the systematic sample. Other well-known random sampling methods are the stratified sample, the cluster sample, and the systematic sample. We are interested in the average amount of money a part-time student spends on books in the fall term. State whether the data described below are discrete or continuous, and explain why. Its really normal for you to feel anxious before your exam especially when the subject is statistics. For accuracy, carry the decimal answers to four decimal places. Step 2: Discrete and continuous data. For qualitative data, if the list can be sorted naturally, we further specify it as an ordinal variable. Work collaboratively to determine the correct data type (quantitative or qualitative). Excelling your basic knowledge about the subject promotes conceptual learning and hence, you can easily get familiar with new concepts too. Compare the fractions 999/10,000 and 999/9,999. This is important to know when we think about what the data are telling us. Try to identify additional data sets in this example. Data may be classified as qualitative, quantitative continuous, or quantitative discrete. The data . Discrete vs continuous data are two broad categories of numeric variables. Question: State whether the data described below are discrete or continuous, and explain why. Asking all 10,000 students is an almost impossible task. One-third of a number when decreased by 2 equals one-fifth of the nimenbe Find the number. Data is the new oil. Today data is everywhere in every field. On the other hand, if we count large quantities of any discrete entity. Can we have both discrete data and continuous data from the same experiment? Every value within a range is included in continuous data. Ltd. All rights reserved. Instructions: Use the Random Number Generator to pick samples. These data are used for observation like customer satisfaction, happiness, etc., but we cant do any arithmetical tasks on them. 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? This pie chart shows the students in each year, which is qualitative data. These data take on only certain numerical values. feet. 2013. Gathering information about an entire population often costs too much or is virtually impossible. Solution: - Data : The capacities of different hotels. Press ENTER. Many other courses are available online to master your foundational knowledge which may assist you later. discrete because the data can only take on specific values . In each form of random sampling, each member of a population initially has an equal chance of being selected for the sample. Ra Numeric variables represent characteristics that you can express as numbers rather than descriptive language. It is better for the person conducting the survey to select the sample respondents. 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. The data are discrete because the data can . Qualitative data are generally described by words or letters. Question: CS State whether the data described below are discrete or continuous, and explain why. However, students shall understand that it is important for them to recognize their interests and based on that, select the best career path possible. Qualitative or Quantitative? Discrete or Continuous? | Ching-Chi Yang O A. 26. In some situations, having small samples is unavoidable and can still be used to draw conclusions. 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. The data are because.continuous the data can only take on specific values C. , i.e. 4 Types of Data - Nominal, Ordinal, Discrete, Continuous Samples that contain different individuals result in different data. The two numbers are for two of the columns. and it is subdivided into nominal and ordinal data. a. 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). A. Ordinal data have natural ordering where a number is present in some kind of order by their position on the scale. 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. Procrastination isnt even the last option if you are preparing for a statistics exam. Solved State whether the data described below are discrete - Chegg Scott Keeter et al., Gauging the Impact of Growing Nonresponse on Estimates from a National RDD Telephone Survey, Public Opinion Quarterly 70 no. Required fields are marked *. Your answer is correct. y's house is at D, 750 feet from the intersection. Press ENTER 2 more times (even the repeats). A continuous data set because there are infinitely many possible values and those values cannot be counted. It only contains finite values, the subdivision of which is not possible. The exact distances (in centimeters) between the chairs in a college classroom. The triangles show the position of the gate in relation to its closed position. It also could not be used if the percentages added to less than 100%. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Quantitative data, on the other hand, is one that contains numerical values and uses a scope. Create a systematic sample of 12 quiz scores. 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.
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