Consider the following hypothesis statement using a = 0.02 and the following data from two independent samples:
Question:
Consider the following hypothesis statement using a = 0.02 and the following data from two independent samples:
H0: p1 - p2 … 0.20 H1: p1 - p2 7 0.20 x1 = 190 x2 = 118 n1 = 225 n2 = 200
a. Calculate the appropriate test statistic and interpret the result.
b. Calculate the p-value and interpret the result.
c. Verify your results using PHStat.
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