Question

6. If the mean of the observations 14, 18, 22, x and 16 is 18, then x = ___
(A) 17 (B) 20 (C) 15 (D) 22​

Answer 1

Answer:

20

Step-by-step explanation:

Arithmetic Mean = Sum of observations total number of observations

=》 18 = (16+14+x+18+22)/5

=》 18 =(70+x)/5

=》18×5= 70+x

=》 90-70= x

=》20 = x

FOLLOW ME AND MARK ME BRAINLIST