Question: For the data in Exercise 4 a Test the null hypothesis

For the data in Exercise 4,
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 12? Explain briefly why or why not.

Sale on SolutionInn
  • CreatedMay 15, 2015
  • Files Included
Post your question