TABLE 10-9
The following Excel output contains the results of a test to determine whether the proportions of satisfied customers at two resorts are the same or different.

-Referring to Table 10-9, if you want to test the claim that "Resort 1 (Group 1) has a higher proportion of satisfied customers compared to Resort 2 (Group 2)", the p-value of the test will be
A) 0.007272.
B) 0.00727/2.
C) 2 * (0.00727).
D) 1 - (0.00727/2).

Question

TABLE 10-9
The following Excel output contains the results of a test to determine whether the proportions of satisfied customers at two resorts are the same or different.
 
-Referring to Table 10-9, if you want to test the claim that "Resort 1 (Group 1) has a higher proportion of satisfied customers compared to Resort 2 (Group 2)", the p-value of the test will be
A) 0.007272. 
B) 0.00727/2. 
C) 2 * (0.00727). 
D) 1 - (0.00727/2).

Quizplus · Accepted Answer

When testing a one-tailed hypothesis that Resort 1 has a higher proportion of satisfied customers than Resort 2, the p-value is half of the two-tailed p-value, which is 0.00727/2.

TABLE 10-9 The Following Excel Output Contains the Results of a Test