A Researcher Was Interested in Comparing the Salaries of Female $\mu _ { 1 } - \mu _ { 2 }$

Multiple Choice

A researcher was interested in comparing the salaries of female and male employees of a particular company.Independent random samples of female employees (sample 1) and male employees (sample 2) were taken to calculate the mean salary, in dollars per week, for each group.A 95% confidence interval for the difference, $\mu _ { 1 } - \mu _ { 2 }$ , between the mean weekly
Salary of all female employees and the mean weekly salary of all male employees was determined to be (-$180, $60) .

A) We know that 95% of female employees at this company make between $180 less and $60 more than the male employees.
B) We know that 95% of all random samples done on the employees at this company will show that the average female salary is between $180 less and $60 more per week than the
Average male salary.
C) We are 95% confident that a randomly selected female employee at this company makes between $180 less and $60 more per week than a randomly selected male employee.
D) Based on these data, with 95% confidence, female employees at this company average between $180 less and $60 more per week than the male employees.
E) Based on these data, with 95% confidence, male employees at this company average between $180 less and $60 more per week than the female employees.