Chapter 10 BSD 1e
Questions
Question 11 / 1 pointThe federal government would like to test the hypothesis that the average age of men filing for Social Security is higher than the average age of women set using α= 0.05 with the following data:MenWomenSample mean64.5 years63.6 yearsSample size3539Population standard deviation3.0 years3.5 yearsExcel file with table data: 10 Q 1_2_Soc_Security_Men-Women.xlsxIf Population 1 is defined as men and Population 2 is defined as women, the test statistic for this hypothesis test would be ________.
t xx= -1.78zxx= 1.19z xx = -2.23t x= 2.07Reference: PHSTAT2-Z Test for Differences in Two Means
x
Question 21 / 1 pointThe federal government would like to test the hypothesis that the average age of men filing for Social Security is higher than the average age of women set using α= 0.05 with the following data:MenWomenSample mean64.5 years63.6 yearsSample size3539Population standard deviation3.0 years3.5 yearsExcel file with table data: 10 Q 1_2_Soc_Security_Men-Women.xlsx

If Population 1 is defined as men and Population 2 is defined as women, which one of the following statements is true?


You've reached the end of your free preview.
Want to read all 8 pages?
- Fall '10
- ROBINWILBER
- Statistics, Standard Deviation, Statistical hypothesis testing