Question

find the mean of x,x + 2,X + 4, x + 6, X + 8​

Answer 1

Answer:

x+4

Step-by-step explanation:

Mean = (Sum of observations)/(Number of observations)

= (x + x + 2 + x + 4 + x + 6 + x + 8)/5

= (5x + 20) / 5 = 5(x + 4)/5 = (x + 4) Hence the mean of given observations is (x + 4).

Answer 2

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$\sf \: Mean = \frac{sum \: of \: observations}{number \: of \: observations}$

$\sf \frac{x + (x + 2) + (x + 4) + ( x + 6) + (x + 8)}{5} \\ \\ = \frac{5x + 20}{5} = x + 20$

So the mean is x+20

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