One-tailed test, negative: population mean = 110.81, sample mean = 100.71, estimated population variance = 990, N = 61
a. Critical t-value:
b. t-test statistic:
c. Reject or retain the null hypothesis? Note - INCLUDE YOUR RATIONALE
d. Confidence interval: , < μ <.
Show your work for #3:
3. One-tailed test, negative: population mean = 110.81, sample mean = 100.71, estimated population variance = 990, N = 61
a. Critical t-value:
b. t-test statistic:
c. Reject or retain the null hypothesis? Note - INCLUDE YOUR RATIONALE
d. Confidence interval:
Show your work for #3.