Hypothesis Testing Problems: Test Statistic and P-Value

See the attached file.
1) Clark Heter is an industrial engineer at Lyons Products.....

2) Two boats, the Prada (Italy), and the Oracle (U.S.A.) are competing for a spot in the upcoming America's Cup Race...

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...ber of units produced in the afternoon shift is significantly higher than the other shift.

Test Statistic
where

Rejection Criteria:
Reject the null hypothesis if the calculated value of t is less than the critical value of t .
Details

n Mean SD
Shift 1 54 345 21
After noon Shift 60 351 28

Calculated value of t =-1.2829
Significance level = 0.05
Degrees Freedom =112
Critical value =-1.658571
P value =0.1011

Conclusion: Accept the null hypothesis. The sample does not give enough evidence to support the claim that the mean number of units produced in the afternoon shift is significantly higher than the other shift.

2. Two boats, the Prada (Italy) and the Oracle ...