Question

Find the missing number for the scores, 21,14,19,----,13,15,18 if the mean score is 18.

Answer 1

Answer:

The number is 26

Step-by-step explanation:

let the number be x

according to the question

( 21 + 14 + 19 + x + 13 + 15 + 18 ) / 7 = 18

( 100 + x ) / 7 = 18

100 + x = 126

x = 126 - 100

x = 26

hope it helps you