Question: Consider the following competing hypotheses and accompanying sample data H0

Consider the following competing hypotheses and accompanying sample data.
H0: -  = 0
HA: -  ≠ 0
x1 = 150 x2 = 130
n1 = 250 n2 = 400
a. Calculate the value of the test statistic.
b. Calculate the p-value.
c. At the 5% significance level, what it the conclusion to the test? Can you conclude that the difference between the population proportions differs from 0.20?
d. Repeat the analysis with the critical value approach.


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  • CreatedJanuary 28, 2015
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