Population Standard Deviation 6.0000
Sample Size 10
Sample Mean 66.8000
Confidence Interval
Confidence Coefficient 0.98
Lower Limit
Upper Limit
Hypothesis Test
Hypothesized Value 60
Test Statistic
P-value (Lower Tail)
P-value (Upper Tail)
P-value (Two Tail) 0.0004
Sample Size 10
Sample Mean 66.8000
Sample Standard Deviation 4.89944
Confidence Interval
Confidence Coefficient 0.98
Lower Limit
Upper Limit
Hypothesis Test
Hypothesized Value 60
Test Statistic
P-value (Lower Tail)
P-value (Upper Tail)
P-value (Two Tail) 0.0018

Studies show that massage therapy has a variety of health benefits. Ten typical one-hour massage therapy sessions were randomly selected, the amount charged for those sessions recorded, and this information put into Excel. Does the data suggest that the average charge for a typical one-hour massage therapy session is greater than $60 at α=.01? Based on this paragraph of text, use the correct excel output above to answer the following question.

For the hypothesis stated above, what is(are) the critical value(s)?

a. None of the answers is correct
b. 2.764
c. 2.33
d. 2.575
e.2.821