Question

(a) If the mean of 7, 4, x and 10 is 8, the value of x is-
(i) 13
(ii) 11
(iii) 12
(iv) 9​

Answer 1

Answer:

here your answer....

Step-by-step explanation:

according to

mean=sum of the values/no.of values

(7+4+x+10)/4=8

(x+21)/4=8

x+21=32

x=32-21=11