Statistics for business - Week 9 assignment - Consider this hypothesis test H0 p1 p2 = 0 Ha p1 p2 < 0 Here p1 is the population mean of Population 1 and

# Statistics for business - Week 9 assignment - Consider this...

• Homework Help
• 8
• 100% (16) 16 out of 16 people found this document helpful

This preview shows page 1 - 4 out of 8 pages.

Consider this hypothesis test:H0: p1- p2= 0Ha: p1- p2< 0Here p1is the population mean of Population 1 and p2is the population proportion of Population 2. Use the statistics summarized from a simple random sample of each of the two populations to complete the following: (12 Points)Population 1Population 2Sample Size ( n)400500Sample proportion (pbar)0.650.70a.What is the pooled estimate of p?b.Compute the test statistic zc.What is the rejection rule using the critical value approach and α=0.05d.Based on the rejection rule from c., what is your conclusion on the hypotheses?e.What is the p-value?f.Use the above data to construct a 95% confidence interval for p1- p21. file. These responses are answers by a simple random sample of employees from the two regions to the question: Are you planning to stay with   • • • 