THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
In a random sample of 125 large retailers,90 used regression as a method of forecasting.In an independent random sample of 160 small retailers,80 used regression as a method of forecasting.
-Based on the 95% confidence interval for the difference between the two population proportions,is there evidence that the population proportions are different?

Question

Quizplus · Accepted Answer

The Answer of THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
In a random sample of 125 large retailers,90 used regression as a method of forecasting.In an independent random sample of 160 small retailers,80 used regression as a method of forecasting.
-Based on the 95% confidence interval for the difference between the two population proportions,is there evidence that the population proportions are different?