Questions 3 and 4 refer to the following data.

CHARITABLE ANNUAL DONATIONS TO CHARITY GROUP X

For any Company X listed in the chart above, let ΔX be defined as the difference between the mean annual donation of employees of Company X in the period 1980–1990 and that for the same company in the period 1980–2000. Which of the following is closest to the ratio of ΔM to ΔB?

a. 2 to 1

b. 3 to 2

c. 1 to 1

d. 2 to 3

e. 1 to 2

Transcribed Image Text:

Employees of Company: A B C D E FL G H 1 K L M Years 1980-1990 Average (mean) annual donation per employee 24.3 18.2 45.5 34.6 34.7 150.3 23.7 34.7 74.5 85.6 126.7 234.4 422.4 Greatest single annual donation by an employee 1,000 500 300 2,000 1.000 2,000 500 500 5,000 3,000 5,000 3,000 400 Years 1980-2000 Average (mean) annual donation per employee 34.6 40.2 45.5 34.6 32.4 100.8 23.7 34.7 80.2 85.6 104.4 234.4 455.2 Greatest single annual donation by an employee 1,000 500 2,000 2,000 1.000 2,000 500 1,000 5,000 3,000 5,000 3,000 2,000