hypothesis is that the proportion of employees within the two regions who plan

Hypothesis is that the proportion of employees within

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hypothesis is that the proportion of employees within the two regions who plan to stay with the company one year from now is the same. (8 points)a.What is the sample proportion for the two regions?b.Compute the test statistic z used to test the hypothesis. c.Can the firm conclude that the proportion of employees within the two regions who plan to stay with the company one year from now is not the same? Use the p-value approachand   = 0.05 to test the hypothesis stated above. α d.Construct a 95% confidence interval for the difference of the population proportion forthe two regions.
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3.Use the data in and description of BUSI1013-Case.xls (from Unit 1 Exercise Question 6) to answer this question. (4 Points for each part; 8 points totala.Perform a statistical test to see whether the proportion of members who would recommend the Credit Union to their family and friends have increased as a result of the pilot. )
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