Question

a set of data has the values 11,14,23 and 16 what value would have to be added to set for the mean of the 5 numbers to be 18

Answer 1

26.

Explanation:

(11+14+23+16+x) / 5 = 18 where x is the value to be added.

(64 + x) / 5 = 18

64 + x = 90

x = 90 - 64

= 26.