if the mean of data x, x+2,x+4,x+6,x+8 is 11 find the value of x
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Step-by-step explanation:
= (x+x+2+x+4+x+6+x+8) / 5 = 11
= 5x+20 = 55
5x = 55-20
5x=35
x = 35/5
x=7
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