Question: A two proportion study was conducted to determine if males who spent at least five hours a week playing violent video games were more likely
A two proportion study was conducted to determine if males who spent at least five hours a week playing violent video games were more likely to commit aggressive acts in public than males who played less than five hours. Below are the results of the study.
Test and CI for Two Proportions
SampleXNSample p
Five Plus1441800.80
Less Five1402000.70
Difference = p (Five Plus) - p (Less Five)
Estimate for difference:0.10
95% lower bound for difference:0.0275725
Test for difference = 0 (vs > 0):Z = 2.24P-Value = 0.013
Based on the probability (P-Value = 0.013) do you reject the null?
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