In a sample of 50 men, 44 said that they had less leisure time today than they had 10 years ago. In a sample of 50 women, 48 women said that they had less leisure time than they had 10 years ago. At α=0.10 is there a difference in the proportions?
Group of answer choices
A.P value=0.1404; fail to reject H0
B.P value=0.1385; fail to reject H0
C.P value=0.1193; fail to reject H0
D.P value=0.1221; fail to reject H0
Test and CI for Two Proportions
Method
p₁: proportion where Sample 1 = Event |
p₂: proportion where Sample 2 = Event |
Difference: p₁ - p₂ |
Descriptive Statistics
Sample | N | Event | Sample p |
Sample 1 | 50 | 44 | 0.880000 |
Sample 2 | 50 | 48 | 0.960000 |
Estimation for Difference
Difference | 95% CI for Difference |
-0.08 | (-0.185183, 0.025183) |
CI based on normal approximation
Test
Null hypothesis | H₀: p₁ - p₂ = 0 |
Alternative hypothesis | H₁: p₁ - p₂ ≠ 0 |
Method | Z-Value | P-Value |
Normal approximation | -1.47 | 0.1404 |
The pooled estimate of the proportion (0.92) is used for the
tests.
The normal approximation may be inaccurate for small samples.
Option:- .P value=0.1404; fail to reject H0
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