The ages of randomly selected employees at two companies are recorded. Their ages are as follows.

Question

Company A: 34, 28, 36, 27, 45, 44, 30, 42, 41, 40, 50, 48, 52, 45, 39, 38
Company B: 29, 32, 48, 51, 49, 37, 33, 35, 36, 40, 45, 48, 43, 43, 44, 48

Which of the following statements is true?

1. The mean age of employees from Company A is higher than the mean age of employees from Company B.

2. The median age of employees from Company A is lower than the median age of employees from Company B.

3. The range of ages of employees from Company A is higher than the range of ages of employees from Company B.

A. statements 2 and 3

B. statements 1 and 3

C. statements 1 and 2

D. statements 1, 2, and 3

Answer 1

B. statements 1 and 3 (The mean age of employees from Company A is higher than the mean age of employees from Company B, and the range of ages of employees from Company A is higher than the range of ages of employees from Company B. Statement 2 is false; the median age of employees from Company A is 40, while the median age of employees from Company B is 43.)