Calculate arithmetic mean from the following data.
Marks obtained by 10 students 30, 62, 47, 25, 52, 39, 56, 66, 12, 24
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Arithmetic mean of given data is 41.3
Explanation:
- Given Marks obtained by 10 students are 30, 62, 47, 25, 52, 39, 56, 66, 12, 24
- The Sum of all of the numbers of a group, when divided by number of items in that list is called Arithmetic Mean.
- It simply includes taking the summation of a bunch of numbers, then dividing that result by the count of the numbers used in the series.
Arithmetic mean = {Sum of all Observations} ÷ {Total number of Observations}
Sum of all marks = 30+62+47+25+52+39+56+66+12+24 = 413
Total number of students = 10
So, Arithmetic mean = 413/10
= 41.3
Hence, Arithmetic mean of given marks is 41.3.
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