基礎math-u08-d04
The mean of the data set 2, 3, 3, 7 is:
A. 3.75✓ 答案
B. 3
C. 4
D. 15
解說
The sum is 2 + 3 + 3 + 7 = 15 and there are 4 values, so the mean is 15/4 = 3.75. The median is 3, which is different from the mean here.
The sum is 2 + 3 + 3 + 7 = 15 and there are 4 values, so the mean is 15/4 = 3.75. The median is 3, which is different from the mean here.