Posted by **Mary** on Tuesday, March 30, 2010 at 12:27am.

Given a sample size of 18, with sample mean 660.3 and sample standard deviation 95.9 we are to perform the following hypothesis test.

Null Hypothesis H0: = 700

Alternative Hypothesis H0: 700

At significance level 0.05

1. What is the critical value for this test? Calculate the test statistics.

2. Do we reject the Null Hypothesis? (explain why)

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