Find the average of first 10 multiples of 7


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Find the average of first 10 multiples of 7. A.35.5 B.37.5 C.38.5 D.40.5

Answered by admin @



AVERAGE= SUM OF OBSERVATIONS/ NO. OF OBSERVATIONS
= 7+14+21+28+35+42+49+56+63+70 / 10
=385/10
=38.5

C is the correct answer


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