A Survey Was Conducted of Graduates of Harvard College 15

Multiple Choice

A survey was conducted of graduates of Harvard College 15 years after graduation. In the survey, the pay of graduates in different fields who had perviously taken off 18 months, often to care for children, was compared with the pay for graduates who had not taken time off. The average financial penalty for those who had taken time off is summarized in the following table: Find the mean of the financial penalty for the graduates who have taken off. What is the standard deviation for these data?

A) μ = -28.25; σ = 2.71
B) μ = -25.00; σ = 11.56
C) μ = 30.00; σ = 8.49
D) μ = -21.80; σ = 12.08
E) μ = 30.00; σ = 2.77