Question

For the data in Exercise 1,
a) Test the null hypothesis at α = 0.05 using the pooled t-test. (Show the t-statistic, P-value, and conclusion.)
b) Find a 95% confidence interval using the pooled degrees of freedom.
c) Are your answers different from what you previously found in Exercise 9? Explain briefly why or why not.


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  • CreatedMay 15, 2015
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