Discussion:
Hypothesis test for two independent proportions
p1 p2 pc
0.0736 0.1717 0.1226 p (as decimal)
4/60 10/60 15/120 p (as fraction)
4.417 10.3 14.717 X
60 60 120 n
-0.0981 difference
0. hypothesized difference
0.0599 std. error
-1.64 z
.1016 p-value (two-tailed)
-0.1955 confidence interval 90.% lower
-0.0007 confidence interval 90.% upper
0.0974 half-width
Q: Describe the results of this test, and explain how the findings from this hypothesis testing can be used to answer your research question?