Find the mean of the following distribution using short-cut method.
37.5, 42.5 12.5.
Class Interval 35 - 40 40 - 45 45 - 50 50-55 55 - 60
42.5
Frequency
7
6
9
5
12
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Find the mean of the following distribution using short-cut method.
37.5, 42.5 12.5.
Class Interval 35 - 40 40 - 45 45 - 50 50-55 55 - 60
42.5
Frequency
7
6
9
5
12Find the mean of the following distribution using short-cut method.
37.5, 42.5 12.5.
Class Interval 35 - 40 40 - 45 45 - 50 50-55 55 - 60
42.5
Frequency
7
6
9
5
12Find the mean of the following distribution using short-cut method.
37.5, 42.5 12.5.
Class Interval 35 - 40 40 - 45 45 - 50 50-55 55 - 60
42.5
Frequency
7
6
9
5
12
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