Question

if the mean of five observation x, x+4, x+8, x+16 is 15, then the value of x is
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Answer 1

Answer:

Step-by-step explanation:

Given,

x,x+4,x+8,x+16 mean is 15

so mean=sum of observations/number of observations

x+x+4+x+8+x+16/4=15

4x+28/4=15

4x+28=60

4x=32

x=8