Question

Given the value of mean of 4,7,x,9,8 is 6. Calculate x.

Answer 1

2

Explanation:

mean=6

number of terms=5

mean =sum of the terms/number of terms

6 = 4+7+x+9+8/5

by cross multiplying,

4+7+x+9+8 = 6 × 5

x+28=30

x=30-28

x=2

hope this helps you!