Math, asked by bhagu357, 6 months ago

(i) The mean of 4, 9, 10 and x is 8. Find x.

Answers

Answered by utkarshraj1234

4

Answer:

9

Step-by-step explanation:

Mean = Sum of the observation/ No. of observation

=> (4+9+10+x)÷ 4 = 8

=>23+x= 32 [cross multiplying]

=> x=32-23

=> x= 9

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