(a) Based on the information above, Class C has the least variability as it has the smallest range of scores (38).
(b) Based on the information above, Class D has the highest scores on average as it has the highest mean score (102).
The test scores of the students in four classes are summarized below. Answer the questions about them.
Class A: The range of scores is
42
and the mean score is
98
.
Class B: The range of scores is
36
and the mean score is
99
.
Class C: The range of scores is
38
and the mean score is
94
.
Class D: The range of scores is
40
and the mean score is
102
.
(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?
1 answer