Question

6. If the mean of five observations x, X+2, X+4, +6 and x+8 is 15. Find the value
of x.

Answer 1

Answer:

ans is 7 because 15 - 8 is 7

Step-by-step explanation:

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Answer 2

Answer:

Given observations

x,x+2,x+4,x+6,x+8∵ 5x+(x+2)+(x+4)+(x+6)+(x+8)

=11

5x+20 =11

⇒x=7

So, the observations are 7,9,11,13,15

=11⇒ 5x+20 =11⇒x=7

So, the observations are 7,9,11,13,15Req. mean = 3

11+13+15 =13