Find mean of first 9 multiple of 3.
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1
Step-by-step explanation:
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Answer:
15
Step-by-step explanation:
3 , 6 , 9 ,12 , 15 , 18 , 21 , 24 , 27.
Average of first nine multiples of 3:-
Sum of observations/No. of observations.
3+6+9+12+15+18+21+24+27 ÷ 9
= 135 ÷ 9
=15
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