SCENARIO 12-19
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 test using a level of significance of 0.05.
-Referring to Scenario 12-19, 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.

Question

SCENARIO 12-19
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 test using a level of significance of 0.05.
-Referring to Scenario 12-19, 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.

Quizplus · Accepted Answer

The decision to reject the null hypothesis depends on the results of a statistical test comparing the proportions before and after the campaign, not just the level of significance. Without the test results, we cannot determine if the null hypothesis should be rejected.

SCENARIO 12-19 The Director of Transportation of a Large Company Is Interested