Answer to Question #84957 in Statistics and Probability for Tom

Question

Reading comprehension test scores of elementary school children randomly assigned to one of two teaching methods have the following summary statistics:

# of Children Mean Standard Deviation
Method 1 13 64 5
Method 2 13 69 8
We would like to conduct a hypothesis test to determine whether the true mean test score differs for the two teaching methods. Suppose that all necessary assumptions have been satisfied.

What type of test should be used?

A) unpooled (conservative) independent two-sample t test
B) matched pairs t test
C) pooled independent two-sample t test