if the mean of 5 observation is x, x+2,x+4,x+6,x+8 is 13 find the x
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Answered by
2
Answer:
mean=x+x+2+x+4+x+6x+8÷5
13 =5x+20
13-20=5x
-7 =5X
x=-7÷5
Answered by
0
Answer:we know that,
Mean = sum of observations/number of observations
So,ATQ
x+x+2+x+4+x+6+x+8/5 = 13
Therefore,
5x+20/5 = 13
= 5x +20 = 13×5
= 5x +20 = 65
= 5x = 65 - 20
= 5x = 45
= x = 45/5
Therefore,x = 9
Step-by-step explanation:
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