BUSI 1013-Unit 9 answer.docx - Consider this hypothesis test H0 p1 p2 = 0 Ha p1 p2 > 0 Here p1 is the population proportion of \u201cyes\u201d of Population 1

BUSI 1013-Unit 9 answer.docx - Consider this hypothesis...

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populations to complete the following: (8 points)Population 1Population 2Sample Size (n)400600Number of “yes”300426a.Compute the test statistic z. b.What is the p-value? c.Should H0be rejected? Use the p-value and a level of significance of 0.05 to justify your answer.d.Use the above data to construct a 95% confidence interval for p1- p 2
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2. Use the data in BUSI1013 Bank Dataset.xlsx(from Unit 1 Exercise Question 2) to answer this question. (4 points each; 8 Points in total)a.Perform a statistical test to see whether the proportion of members who would recommend the Bank to their family and friends have increased because of the change.
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  • Winter '15
  • Statistics, Statistical hypothesis testing, p1

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