(c) Find the mean of x + 3, X + 5. * + 7, X + 9 and x + 11
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Mean of x+3,x+5,x+7,x+9,x+11
Mean =
Numberofobservations
Sum
Mean =
5
x+3+x+5+x+7+x+9+x+11
=
5
5x+35
=x+7
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