The marks obtained by $10$ students in a test are $15, 75, 33, 67, 76, 54, 39, 12, 78, 11$ . Find the arithmetic mean.

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Solution

Marks obtained by $10$ students in a test
$= 15, 75, 33, 67, 76, 54, 39, 12, 78, 11$

Arithmetic Mean = $\frac{s u m o f a l l t e r m s i n d a t a}{t o t a l n u m b e r o f t e r m s i n d a t a} =$ $\frac{15 + 75 + 33 + 67 + 76 + 54 + 39 + 12 + 78 + 11}{10} = 46$

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The marks obtained by 10 students in a test are 15,75,33,67,76,54,39,12,78,11. Find the arithmetic mean.

Marks obtained by 10 students in a test=15,75,33,67,76,54,39,12,78,11Arithmetic Mean = sum of all terms in datatotal number of terms in data =15+75+33+67+76+54+39+12+78+1110=46

The marks obtained by $10$ students in a test are $15, 75, 33, 67, 76, 54, 39, 12, 78, 11$ . Find the arithmetic mean.

Marks obtained by $10$ students in a test
$= 15, 75, 33, 67, 76, 54, 39, 12, 78, 11$

Arithmetic Mean = $\frac{s u m o f a l l t e r m s i n d a t a}{t o t a l n u m b e r o f t e r m s i n d a t a} =$ $\frac{15 + 75 + 33 + 67 + 76 + 54 + 39 + 12 + 78 + 11}{10} = 46$