Question

A random sample of 100 observations from a population with standard deviation 17.18 yielded a sample mean of 93.3

1. Given that the null hypothesis is μ=90 and the alternative hypothesis is μ>90 using α=.05, find the following:
(a) Test statistic =
(b) P - value:
(c) The conclusion for this test is:

A. There is insufficient evidence to reject the null hypothesis
B. Reject the null hypothesis
C. None of the above

2. Given that the null hypothesis is μ=90 and the alternative hypothesis is μ≠90 using α=.05, find the following:
(a) Test statistic ==
(b) P - value:
(c) The conclusion for this test is:

A. There is insufficient evidence to reject the null hypothesis
B. Reject the null hypothesis
C. None of the above

Answer 1