Question

What number should be included in the data set 9, 12, 8, 3, 11, 19, 23, 30, 21 if the range is 45?

a.46
b.-15
c.-3
d.39​

Answer 1

The answer is:

b) - 15

Hope it helps:D

Answer 2

b:-15

Explanation:

There are 9 num in the set sowe add all the num and the we divide the answer we got