Question

if the mean of observations x, x+2,x+4, x+6 and x+8 is 15. find the value of x answer with steps​

Answer 1

Answer:

- 1 is the answer

Step-by-step explanation:

X + X + 2 + X + 4 + X + 6 + X + 8 = 15

5X + 20 = 15

5X = 15 - 20

5X = - 5

X = -5

5

X = - 1

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