Essay
Use the traditional method of hypothesis testing to test the given claim about the means of two populations. Assume that
two dependent samples have been randomly selected from normally distributed populations.
-A test of abstract reasoning is given to a random sample of students before and after they completed a formal logic course. The results are given below. At the 0.05 significance level, test the claim that the mean score is not affected by the course.
Correct Answer:

Verified
Correct Answer:
Verified
Q86: Compute the test statistic used to
Q87: Determine the decision criterion for rejecting
Q88: Find the appropriate p-value to test
Q89: From the sample statistics, find the
Q90: Use the traditional method of hypothesis
Q92: Construct a confidence interval for µd,
Q93: The two data sets are dependent.
Q94: Solve the problem.<br>-A researcher wished to
Q95: Determine whether the samples are independent or
Q96: Construct a confidence interval for µd,