Question

the mean of 7, 4, x and 10 is 8. then find the value of x.​

Answer 1

Heres your answer;

Mean= sum of all the observations/total no.of observations

Here, mean=8

(7,4,x,10) - numbers

so,

7+4+10+x/4 = 8

21+x/4 = 8

21+x = 32

x = 32-21

x =11

Answer 2

Answer:

Heres your answer;

Mean= sum of all the observations/total no.of observations

Here, mean=8

(7,4,x,10) - numbers

so,

7+4+10+x/4 = 8

21+x/4 = 8

21+x = 32

x = 32-21

x =11

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