Question

if the mean of 6,α,4,7,10 is 8, find the value of α​

Answer 1

there is given mean= 8 ..

now ..

(6+4+10+7+a)/5=8 ..

40= 27+a .

a= 13

Answer 2

HEY MATE HERE'S YOUR ANSWER

mean of observations =8
observations =5

6+a+4+7+10/5=8
(when we cross multiply)

6+a+4+7+10=5×8
= 6+a+4+7+10=40
= 10+7+a+10
= 27+a=40
= a=40 - 27
= a=13



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