if x is the arithmetic mean of n observation x1' x2'....'Xn, find the arithmetic mean of ax1 ,ax2,...aXn .
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mean of x1 + x2+.....+ xn/n=x ..........(1)
mean of ax1 + ax2 +........+axn/n
= a(x1 + x2 +.....xn)/n ........(2)
putting eq (1) in eq (2)
= ax
hope that helps you!!
mean of ax1 + ax2 +........+axn/n
= a(x1 + x2 +.....xn)/n ........(2)
putting eq (1) in eq (2)
= ax
hope that helps you!!
tarachand3331:
thanku..
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