If the mean of 7, 4 , x and 10 is 8, the value of x is
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Answer:
The value of x is 11.
Step-by-step explanation:
Since, we know that:
Mean = (Sum of Observation)÷(Total Number of Observation)
==> Mean = Σx ÷ n
Given, Mean = 8
∴ (7+4+x+10)÷4 = 8
==> 21 + x = 32
==> x = 32 -21
==> x = 11
∴ The value of x is 11.
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