Question

If the arithmetic mean of 2, 7, x, 4, 6, 8 is 5, then find the value of x.
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Answer 1

Answer:

3

Step-by-step explanation:

Sum of all observations/No. of observations = Mean

$\frac{2+7+x+4+6+8}{6}$ = 5

2+7+x+4+6+8 = 5×6

2+7+x+4+6+8 = 30

x+27 = 30

x = 30-27

x = 3

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