STAT 200 - WEEK 1 - Quiz 1 Submission Questions and Answers A+ Guide

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Quiz Submissions - Week 1: Quiz 1 Submission View Your quiz has been submitted successfully. 3 / 3 points Statistics is the study of how to ______________________ data collected from a group. col... lect organize analyze interpret all of the above Hide Feedback Correct! Statistics is the study of how to collect, organize, analyze, and interpret data collected from a group. 3 / 3 points Which of the four levels of measurement is most appropriate for names of college professors? Nominal Ordinal Interval Ratio Hide Feedback Correct! For the nominal measurement, the data is just a name or category. There is no order to any data and since there are no numbers, you cannot do any arithmetic on this level of data. 3 / 3 points Which of the following is a numerical measurement describing some characteristic of a sample? Parameter Statistic Data None of the above Hide Feedback Correct! A Statistic is a numerical measurement describing some characteristic of a sample. 3 / 3 points Prof R has a truck that has an engine with 8 cylinders. Is the given value is from a discrete or continuous data set? Explain why. A discrete data set because there are a finite number of possible values (i.e. you can count them). A continuous data set because there are infinitely many possible values and those values can be counted. A continuous data set because there are infinitely many possible values and those values can be measured. The data set is neither continuous or discrete. Hide Feedback Correct! This data set is a discrete data set because there are a finite number of possible values (i.e. you can count them). 3 / 3 points If a tax auditor selects every 10,000th tax return that is submitted, which form of sampling is he/she using? Convenience Stratified Simple Random Sample Systematic Cluster Hide Feedback Correct! This technique is systematic sampling for which you randomly choose a starting place then select every kth individual to measure. 3 / 3 points Determine whether the sample described below is a simple random sample. In order to test for a difference in the way that workers and non workers purchase houses, a research institution polls exactly 905 adult workers and 905 adult non workers randomly selected from adults in the United States. The sample is not a simple random sample because every sample of size n = 1810 does not have the same chance of being selected. The sample is a simple random sample because each individual adult has the same chance of being selected. The sample is a simple random sample because every sample of size n = 1810 has the same chance of being selected. The sample is not a simple random sample because each individual adult does not have the same chance of being selected. [Show More]

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