Minitab printout
One-Sample T: weight of cats
Descriptive Statistics (weight is in pounds)
N Mean StDev SE Mean 95% CI for ?
33 9.300 1.707 0.297 (8.694, 9.905) ?: mean of weight of cats TestNull hypothesis H?: ? = 8.5
Alternative hypothesis H?: ? ? 8.5
T-Value P-Value
2.69 0.011
a. Looking at the confidence interval estimate, write a confidencestatement for the mean weight for all cats.
b. State your decision for the null hypothesis and show how youarrived at it.
c. Write your conclusion.
d. Can we safely say that the mean weight of all cats will be atleast 8 pounds? Please give a reason for your answer.
