Question

if mean of 17,6,18,X, 19,15,18 is 17 then find the value of X. ​

Answer 1

So the mean of17,6,18,x,19,15 and 18 can be found by using this method....

Answer 2

as we know that mean= sum of all digits/total no of digits

mean = 17(given)

total no of digits= 7

17=(17+6+18+X+19+15+18+17)/17×7= 92+X

119 = 92+x

X= 119-92=27

HOPE THIS HELPS YOU