Ch. 10 Quiz - Chapter 10 BSD 1e Questions Question 1 1 1...

Chapter 10 BSD 1e
Questions
Question 1 1 / 1 point
The 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:
Men Women
Sample mean 64.5 years 63.6 years
Sample size 35 39
Population standard deviation 3.0 years 3.5 years
Excel 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, the test statistic for this
hypothesis test would be ________.
t
x x
= -1.78
z
x x
= 1.19
z
x x
= -2.23
t
x
= 2.07
Reference: PHSTAT2-Z Test for Differences in Two Means
x
Question 2 1 / 1 point
The 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:
Men Women
Sample mean 64.5 years 63.6 years
Sample size 35 39
Population standard deviation 3.0 years 3.5 years
Excel 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?