Is this a one-tailed or two-tailed test

Reference no: EM131009195

The following MINITAB output presents the results of a hypothesis test for the difference p1 - p2 between two population proportions.

Test and CI for Two Proportions

Sample	X	N	Sample p
1	41	97	0.422680
2	37	61	0.606557

Difference = p (1) - p (2) Estimate for difference: -0.183877

95% CI for difference: (-0.341016, -0.026738)

Test for difference = 0 (vs not = 0): Z = -2.25 P-Value = 0.024

a. Is this a one-tailed or two-tailed test?

b. What is the null hypothesis?

c. Can H0 be rejected at the 5% level? How can you tell?

Reference no: EM131009195

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