Exam 22: Mcnemar Test for the Difference Between Two Proportions Related Samples

TABLE 12-19 The director of the MBA program of a state university wanted to know if a one-week orientation would change the proportion among potential incoming students who would perceive the program as being good.Given below is the result from 215 students' view of the program before and after the orientation. -Referring to Table 12-19,what is the value of the test statistic using a 1% level of significance?

TABLE 12-18 The director of transportation of a large company is interested in the usage of the company's van pool program.She surveyed 129 of her employees on the usage of the program before and after a campaign to convince her employees to use the service and obtained the following: She will use this information to perform a test using a level of significance of 0.05. -True or False: Referring to Table 12-18,the director now wants to know if the proportion of employees who use the service before the campaign and the proportion of employees who use the service after the campaign are the same.She should reject the null hypothesis using a 5% level of significance.

True or False: To test whether one proportion is higher than the other in two related samples,you can use the McNemar test.

True or False: To test whether one proportion is higher than the other in two related samples,you can use the Marascuilo procedure.

TABLE 12-18 The director of transportation of a large company is interested in the usage of the company's van pool program.She surveyed 129 of her employees on the usage of the program before and after a campaign to convince her employees to use the service and obtained the following: She will use this information to perform a test using a level of significance of 0.05. -Referring to Table 12-18,the director now wants to know if the proportion of employees who use the service before the campaign and the proportion of employees who use the service after the campaign are the same.What is the value of the test statistic using a 5% level of significance?

TABLE 12-19 The director of the MBA program of a state university wanted to know if a one-week orientation would change the proportion among potential incoming students who would perceive the program as being good.Given below is the result from 215 students' view of the program before and after the orientation. -Referring to Table 12-19,what is the p-value of the test statistic using a 5% level of significance?

TABLE 12-18 The director of transportation of a large company is interested in the usage of the company's van pool program.She surveyed 129 of her employees on the usage of the program before and after a campaign to convince her employees to use the service and obtained the following: She will use this information to perform a test using a level of significance of 0.05. -Referring to Table 12-18,the director now wants to know if the proportion of employees who use the service before the campaign and the proportion of employees who use the service after the campaign are the same.What should be her conclusion?

True or False: The McNemar test is approximately distributed as a standardized normal random variable.

TABLE 12-18 The director of transportation of a large company is interested in the usage of the company's van pool program.She surveyed 129 of her employees on the usage of the program before and after a campaign to convince her employees to use the service and obtained the following: She will use this information to perform a test using a level of significance of 0.05. -Referring to Table 12-18,the director now wants to know if the proportion of employees who use the service before the campaign and the proportion of employees who use the service after the campaign are the same.What is the p-value of the test statistic using a 5% level of significance?

TABLE 12-18 The director of transportation of a large company is interested in the usage of the company's van pool program.She surveyed 129 of her employees on the usage of the program before and after a campaign to convince her employees to use the service and obtained the following: She will use this information to perform a test using a level of significance of 0.05. -Referring to Table 12-18,the director now wants to know if the proportion of employees who use the service before the campaign and the proportion of employees who use the service after the campaign are the same.Which test should she use?

TABLE 12-19 The director of the MBA program of a state university wanted to know if a one-week orientation would change the proportion among potential incoming students who would perceive the program as being good.Given below is the result from 215 students' view of the program before and after the orientation. -True or False: Referring to Table 12-19,what should be the director's conclusion?

True or False: The McNemar test is used to determine whether there is evidence of a difference between the proportions of two related samples.

True or False: The McNemar test is approximately distributed as a Student's t.

TABLE 12-19 The director of the MBA program of a state university wanted to know if a one-week orientation would change the proportion among potential incoming students who would perceive the program as being good.Given below is the result from 215 students' view of the program before and after the orientation. -Referring to Table 12-19,which test should she use?

TABLE 12-19 The director of the MBA program of a state university wanted to know if a one-week orientation would change the proportion among potential incoming students who would perceive the program as being good.Given below is the result from 215 students' view of the program before and after the orientation. -True or False: Referring to Table 12-19,the director should reject the null hypothesis using a 1% level of significance.