Question

If the mean of8,13,2x,17 and 20 is 18 find the value of x

Answer 1

Hi

Here is your answer

Answer:

                    x = 16

Step-by-step explanation:

Given

8, 13, 2x, 17, 20

Mean = Sum of total observations/total number of observations

Mean = 18

(8 + 13 + 2x + 17 + 20)/5 = 18

8 + 13 + 2x + 17 + 20 = 90

21 + 2x + 37 = 90

58 + 2x = 90

2x = 90 - 58

2x = 32

x = 32/2

x = 16

Hope it helps U