Four alternative options are given for each of the following statements. Select the correct option.
The coefficient of ab in 2ab is:
A. ab
B. 2
C. 2a
D. 2b
The coefficient of ab in 2ab is 2.
Hence, the correct answer is B.
The median of 37, 83, 70, 29, 32, 42, 40 is:
A. 29
B. 30
C. 40
D. 42
The mean of scores 10, 15, 12, 15, 15 is:
A. 15
B. 13
C. 13.4
D. 14.3