The salaries of the employees at four companies are summarized below. Answer the questions about them.

Company A: The mean salary is
$39,000
and the range of salaries is
$55,000
.
Company B: The mean salary is
$31,000
and the range of salaries is
$58,000
.
Company C: The mean salary is
$34,000
and the range of salaries is
$50,000
.
Company D: The mean salary is
$40,000
and the range of salaries is
$49,000
.
(a) Based on the information above, which company has the highest salaries on average?

Company A
Company B
Company C
Company D
(b) Based on the information above, which company's salaries have the most variability?

Company A
Company B
Company C
Company D

5 answers

(a) Based on the information provided, Company D has the highest salaries on average with a mean salary of $40,000.

(b) Based on the information provided, Company B has the most variability in salaries with a range of $58,000.
The test scores of the students in four classes are summarized below. Answer the questions about them.
Class A: The mean score is
96
and the range of scores is
57
.
Class B: The mean score is
100
and the range of scores is
53
.
Class C: The mean score is
99
and the range of scores is
50
.
Class D: The mean score is
92
and the range of scores is
58
.
(a) Based on the information above, which class's scores have the least variability?

Class A
Class B
Class C
Class D
(b) Based on the information above, which class has the highest scores on average?

Class A
Class B
Class C
Class D
(a) Based on the information provided, Class C has the least variability in scores with a range of 50.

(b) Based on the information provided, Class B has the highest scores on average with a mean score of 100.
The ages of the members of four teams are summarized below. Answer the questions about them.
Team A: The range of ages is
15
and the mean age is
57
.
Team B: The range of ages is
23
and the mean age is
52
.
Team C: The range of ages is
17
and the mean age is
49
.
Team D: The range of ages is
19
and the mean age is
54
.
(a) Based on the information above, which team's ages have the least variability?

Team A
Team B
Team C
Team D
(b) Based on the information above, which team has the youngest members on average?

Team A
Team B
Team C
Team D
(a) Based on the information provided, Team C has the least variability in ages with a range of 17.

(b) Based on the information provided, Team C has the youngest members on average with a mean age of 49.