Consider the computer output below. Two-Sample T-Test and
Chapter 10, Problem 10-11(choose chapter or problem)
Consider the computer output below. Two-Sample T-Test and Cl Sample N Mean StDev SE Mean 1 15 54.73 2.13 0.55 2 20 58.64 5.28 1.2 Difference mu (1) mu (2) Estimate for difference: 3.91 95% upper bound for difference: ? T-Test of difference 0(vs(a) Fill in the missing values. Is this a one-sided or a two-sided 0.05 test? Use lower and upper bounds for the P-value. (b) What are your conclusions if 0.05? What if 0.01? (c) This test was done assuming that the two population variances were different. Does this seem reasonable? (d) Suppose that the hypotheses had been H0: 1 2 versus . What would your conclusions be if 0.05?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer