Exhibit 19.5 Refer to Exhibit 19.5.The appropriate test statistic for this problem would be a
A)z-test.
B)t-test.
C)Chi-square goodness-of-fit test.
D)variance.
E)Any of the above tests would be appropriate.

Question

Exhibit 19.5  Refer to Exhibit 19.5.The appropriate test statistic for this problem would be a
A)z-test. 
B)t-test. 
C)Chi-square goodness-of-fit test. 
D)variance. 
E)Any of the above tests would be appropriate.

Quizplus · Accepted Answer

Since the sample size is less than 30 and we don't know the population standard deviation, a t-test would be appropriate for this problem.