Question

If the mean of , x ,x+ 2, x + 4, x + 6, x + 8 is 24 then find x

Answer 1

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Answer 2

$\sf Answer :$

• x = 20

Given :

• x, x+ 2, x + 4, x + 6, x + 8 is 24.

To find :

• the value of x.

Solution :

Let's find the value of x.

→ Mean = Sum of observation/Total number of observation

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

→ 24 = ({x+ x + x + x + x} + {2 + 4 + 6 + 8}/5)

→ 24 = ({5x} + {20}/5)

→ 24 = 5x + 20/5

→ 24 = 5x + 20/5

→ 24 × 5 = 5x + 20

→ 120 = 5x + 20

→ 5x = 120 - 20

→ 5x = 100

→ x = 100/5

→ x = 20

∴ x = 20

• Therefore, the value of x is 20.