find mean of 15,18.5,14.6,20.2,16.5,24.8,13.7,22.5,20 16,17.4,12.8,14,12.9,15.8
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Answer:
mean =16.31
Step-by-step explanation:
given numbers are
15,18.5,14.6,20.2,16.5,24.8,13.7,22.5,20,16,17.4,12.8,14,12.9,15.8
mean =sum of the numbers÷total number
=15+18.5+14.6+20.2+16.5+24.8+13.7+22.5+20+16+17.4+2.8+14+12.9+15.8÷15
=244.7÷15
=16.31
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