A sample of 21 observations yielded a sample variance of 16 . If we want to test H0: 2 = 16, the test statistic is
a. 20.
b. 21.
c. 5.
d. 50.
Question 2
A sample of 41 observations yielded a sample standard deviation of 5 . If we want to test H0: 2 = 20, the test statistic is
a. 100.75.
b. 10.
c. 51.25.
d. 50.