The following computer output (from MINITAB) presents the results of a hypothesis test on the difference between
Question:
The following computer output
(from MINITAB) presents the results of a hypothesis test on the difference between two proportions.
a. Is this a left-tailed test, a right-tailed test, or a two-tailed test?
b. What is the P-value?
c. Can H0 be rejected at the 0.05 level? Explain.
Transcribed Image Text:
Test and CI for Two Proportions: P1, P2 Variable X N Sample p P1 22 43 0.511628 P2 55 93 0.591398 Difference p (P1) p (P2) = Estimate for difference: -0.079770 95% upper bound for difference: 0.071079 Test for difference = 0 (vs <0): Z = -0.87 P-Value = 0.192
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