A sample of is used and the population standard deviation is . Use the critical value approach to state your conclusion for each of the following sample results. Use .

Note: In the following questions, if the correct option is "Reject " select "option 1" . If "Do not reject " is correct, then select "option 2".

a. 52.5

- Select your answer -option 1option 2Item 1

b. 51

- Select your answer -option 1option 2Item 2

c. 51.8

- Select your answer -option 1option 2Item 3