The following MINITAB output presents the results of a hypothesis test for the difference X ??
Question:
The following MINITAB output presents the results of a hypothesis test for the difference μX?? μYbetween two population means.
a. Is this a one-tailed or two-tailed test?
b. What is the null hypothesis?
c. Can H0 be rejected at the 1% level? How can you tell?
Transcribed Image Text:
Two -sample I for X vs Y N 10 10 Mean 39.31 29.12 StDev 8.71 4.79 SE Mean 2.8 1.5 Y Difference = mu (X) – mu (Y) Estimate for difference: 10.1974 95% lower bound for difference: 4.6333 T-Test of difference = 0 (vs >): T-Value = 3.25 P-Value = 0.003 DF = 13
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