Question

A student got the following marks in 10 subjects in annual examination

42, 74, 62, 38, 48, 84, 45, 56, 68, 70

Find the mean marks.​

Answer 1

Answer:

FORMULA OF MEAN=

$= \frac{sum \: of \: all \: observation}{total \: number \: of \: observation}$

PUT VALUE FROM QUESTION

$= \frac{42 + 74 + 62 + 38 + 48 + 84 + 45 + 56 + 68 + 70}{10}$

$= \frac{587}{10}$

$= 58.7$

THE MEAN MARks IS 58.7

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Answer 2

ur answer

42+74+62+38+48+84+45+56+68+70

10

= 587

10

So, the mean marks = 58.7