# [Solution]A review of voter registration records in a small town yielded the following table of

A review of voter registration records in a small town yielded the following table of the number of males and females registered as Democrat, Republican,…

A review of voter registration records in a small town yielded the following table of the number of males and females registered as Democrat, Republican, or some other affiliation. Which of the following bar graphs represents the distribution of Democrats, Republicans, and other affiliations in this town?A.B.C.2.In the table below we examine the relationship between final grade and the reported hours per week each student said they studied for the course.The probability a student earned an A for the course isA.11/64B.2/21C.21/643.Suppose that college students are asked to identify their preferences in political affiliation (Democrat, Republican, or Independent) and in ice cream (chocolate, vanilla, or strawberry). Suppose that their responses are represented in the following two-way table (with some of the totals left for you to calculate):What percentage of the respondents preferred chocolate?A.46.2%B.39.3%C.80%4.A business has two types of employees – managers and workers. Managers earn either \$100,000 or \$200,000 per year. Workers earn either \$10,000 or \$20,000 per year. The number of male and female managers at each salary level and the number of male and female workers at each salary level are given in the two tables below.We may conclude thatA.the mean salary of female managers is \$40,000 greater than that of male managers.B.there are more females employed by this company than males, which will lower their salaries.C.the mean salary of female managers is higher than that of male managers, and the mean salary of female workers is higher than that of male workers, indicating the mean salary for female employees is higher than the mean salary for male employees.5.In the table below we examine the relationship between final grade and the reported hours per week each student said they studied for the course.The probability a student studied at least 10 hours a week if they earned an A isA.55%B.30%C.9%6.We are interested in comparing the proportions of males and females who think earning a large salary is very important to them. I surveyed 200 of each gender and recorded their answers to the question as “yes” or “no.”Who is more likely to think a large salary is important?A.MalesB.FemalesC.Theyâre both the same.7.Colleges conduct student evaluations of instruction to determine if there are patterns of either excellence or the lack thereof by their instructors. These can have a large impact on tenure and promotion decisions at many institutions. One particular instructor had ratings in 3 courses in one semester as given by the table below (5 is âagree stronglyâ to 1 is âdisagree stronglyâ) for the statement: “The instructor is an excellent teacher.”The chance a student in Class B was neutral on the professor isA.3/35B.3/15C.3/1078.If you want to examine the relationship (if any) between two categorical variables, look at theA.marginal distibutions.B.joint distribution.C.conditional distributions.9.Colleges conduct student evaluations of instruction to determine if there are patterns of either excellence or the lack thereof by their instructors. These can have a large impact on tenure and promotion decisions at many institutions. One particular instructor had ratings in 3 courses in one semester as given by the table below (5 is âagree stronglyâ to 1 is âdisagree stronglyâ) for the statement: “The instructor is an excellent teacher.”The conditional distribution for Class B is shown in which graph?A.B.C.10.Suppose that college students are asked to identify their preferences in political affiliation (Democrat, Republican, or Independent) and in ice cream (chocolate, vanilla, or strawberry). Suppose that their responses are represented in the following two-way table (with some of the totals left for you to calculate):What percentage of the chocolate lovers are Republican?A.46.2%B.69.2%C.56.3%

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