Business Statistics
posted by Lesliam .
1 When the necessary conditions are met, a twotail test is being conducted to test the difference between two population proportions. The two sample proportions are p1= 0.25 and p2 = 0.20 , and the standard error of the sampling distribution of p1 − p2 is 0.04. The calculated value of the test statistic will be?
2Given the significance level 0.01, the Fvalue for the degrees of freedom, d.f. = (7,3) is?
3A large annuity company holds many industry group stocks. Among the industries are banks, business services and construction. Seven companies from each industry group are randomly sampled to test the hypothesis that the mean price per share is the same among industries. The data are: Compute the F test statistic?
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