1. Look at the following phStat output for hypothesis test. What is the conclusion for this t-test for the hypothesis of the mean (sigma unknown)? Should you accept or reject the null hypothesis? Why?

 

2.Look at the phStat output for hypothesis testing for the proportion, using the p-value approach, determine the appropriate conclusion. Should you accept or reject the null hypothesis? Why?

A t Test for Hypothesis of the Mean 3. Data 4 Null Hypothesis 5 Level of Significance 6 Sample Size 7 Sample Mean 8 Sample Standard Deviation 16.39918697 34.5 0.02 10 39.6 10 Intermediate Calculations 11 Standard Error of the Mean 12 Degrees of Freedom 13 t Test Statistic 5.1859 0.9834 14 15 Two-Tail Test 16 Lower Critical Value 17 Upper Critical Value 18 p-Value -2.8214 2.8214 0.3511