Maryam Mohammad Amin Unit 9 Exercise.docx - Unit 9 Exercise 1 Consider this hypothesis test H0 p1 p2 = 0 Ha p1 p2 < 0 Here p1 is the population mean of
Maryam Mohammad Amin Unit 9 Exercise.docx - Unit 9 Exercise...
Unit 9 Exercise 1. Consider this hypothesis test:H0: p1- p2= 0Ha: p1- p2< 0Here p1isthepopulationmean ofPopulationBy:Maryam Mohammad AminDue Date:March 12, 2018Course Code:BUSI 1033 (Statistics for Business)Professor:Dr. Albert Wong
random sample of each of the two populations to complete the following: (12 points)Population 1Population 2Sample Size ( n)200250Sample proportion (pbar)0.650.701.a.What is the pooled estimate of p?b.Compute the test statistic z.c.What is the rejection rule using the critical value approach and α = 0.05?d.Based on the rejection rule from c., what is your conclusion on the hypothesis?e.What is the p-value?f.Use the above data to construct a 95% confidence interval for p1- p2