Question

The frequency table below shows a student’s quiz scores. One data value in the table is missing. If the mean of the data set is 2.2, what is the score for the missing data item?

A. 0
B. 1
C. 2
D. 3

Answer 1

Answer:Answer is B

Total scores/total frequency =mean

54/24=2,25

If you added a score of 1

55/25=2,2

Explanation:

hope it helps you

Answer 2

Answer is B
Total scores/total frequency =mean
54/24=2,25
If you added a score of 1
55/25=2,2

Therefore the answer is b