Math, asked by leahashe62, 5 months ago

The scores of English examination(out of 40) of 15 students is as follows:

25, 32, 35, 23, 28, 27, 26, 25, 24, 40, 21, 38, 35, 39, 32

Find the arithmetic mean of this data.
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Answers

Answered by Anu17102006
1

Sum :

= 25 + 32 + 35 + 23 + 28 + 27 + 26 + 25 + 24 + 40 + 21 + 38 + 35 + 39 + 32

= 450

Total no. = 15

Mean :

= Sum of observations

Total no. of observations

= 450

15

= 30

Answer : 30

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