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

Mean of the data set:
The mean of the given data is the sum of all values divided by the total number of values.
$∴ Mean = \frac{15 + 75 + 33 + 67 + 76 + 54 + 39 + 12 + 78 + 11}{10} \Rightarrow = \frac{460}{10} \Rightarrow = 46$
Hence, the arithmetic mean is $46$ .

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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.

Mean of the data set:The mean of the given data is the sum of all values divided by the total number of values.∴Mean=15+75+33+67+76+54+39+12+78+1110⇒=46010⇒=46Hence, the arithmetic mean is 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.

Mean of the data set:
The mean of the given data is the sum of all values divided by the total number of values.
$∴ Mean = \frac{15 + 75 + 33 + 67 + 76 + 54 + 39 + 12 + 78 + 11}{10} \Rightarrow = \frac{460}{10} \Rightarrow = 46$
Hence, the arithmetic mean is $46$ .