Question

If the mean of 5,7,9,12,5 13,a,10 is 8 then find the value of a​

Answer 1

Answer:

Since, Mean =

5

7+5+13+x+9

⇒10= 534+x

⇒50=34+x

⇒x=16

Answer 2

Answer:

Mean= 5+7+9,12,5 13,a,10

Step-by-step explanation:

Now take the mean

Let's add the all the number

5+7+9+12+13+A+10/8

5+7+9+12+13+A+10=61+A

Solution :-

61+A= 8x8

61+A=64

A=64-61

A=3