Question

If The Mean Of 8,10,7,×+2 And 6 Is 9 Find The Value Of X

Answer 1

Step-by-step explanation:

Mean = Sum of all observations/ Total observations

9 = 8+10+7+6+x+2/5

By cross multiplication,

9*5= 33+x

45 = 33 + x

45-33 = x

12 =x