Advertisements
Advertisements
Question
If the mean of 8, 10, 7, x + 2 and 6 is 9, find the value of x.
Sum
Advertisements
Solution
The mean 8, 10, 7, x + 2 and 6 is 9
∴ `(8+10+7+"x"+2+6)/5=9`
⇒ `("x"+33)/5=9`
⇒ x + 33 = 9 × 5
⇒ x = 45 − 33
⇒ x = 12
shaalaa.com
Is there an error in this question or solution?
