1. A company has five employees and reports its salary averages as a median. If the salary range is $29,000 and the average salary is $20,000, which of the following salary listings could represent the company?
(a) $12,000; $14,000; $20,000; $25,000; $29,000 (b) $15,000; $19,000; $20,000; $23,000; $29,000 (c) $18,000; $19,000; $20,000; $29,000; $47,000 (d) $20,000; $20,000; $20,000; $23,000; $29,000.
2. If graphed over the last 100 years, which of the following graphs would show a curve that is decreasing?
(a) Percentage of adult Americans who smoke (b) Population of the United States (c) Amount of U.S. national debt (d) Number of Americans who drive cars