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...

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Unit 9 Exercise 1. Consider this hypothesis test: H 0 : p 1 - p 2 = 0 H a : p 1 - p 2 < 0 Here p 1 is the population mean of Population By: Maryam Mohammad Amin Due Date: March 12, 2018 Course 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- p 2   • • • 