Concept explainers
The following MINITAB output presents the results of a hypothesis test for the difference μX – μY between two population means. Some of the numbers are missing. Fill in the numbers for (a) through (d).
Two-sample T for X vs Y |
N Mean StDev SE Mean X 6 1.755 0.482 (a) Y 13 3.239 (b) 0.094 |
Difference = mu (X) – mu (Y) Estimate for difference: (c) 95% CI for difference: (–1.99996. –0.96791) T-Test of difference = 0 (vs not =): T-Value = (d) P-Value = 0.000 DF = 7 |
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