Answered: Suppose n1 = 15, n2 = 12, the means for…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose n1 = 15, n2 = 12, the means for samples 1 and 2 are 70.5 and 78.5, respectively, and the standard deviations for samples 1 and 2 are 8.27 and 8.38, respectively.

Test H0: μ1 ≤ μ2 vs. Ha: μ1 > μ2 using α = 0.05.

required to:
a. address all necessary assumptions for running a t-test;
b. Regardless of whether or not the assumptions are met, run a t-test. calculate the test statistic;
c. calculate the p-value;
d. state your conclusion;
e. construct and interpret a 95% confidence interval for the difference between the two population means.

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