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Find the mean of the following frequency distribution:

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asked Feb 9, 2018 in Mathematics by sforrest072 (157,439 points) ● 61 ● 410 ● 939

Find the mean of the following frequency distribution:

Class interval 0-20 20-40 40-60 60-80 80-100
Number of workers 15 18 21 29 17

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answered Feb 9, 2018 by mdsamim (213,225 points) ● 5 ● 10 ● 15
selected Feb 9, 2018 by sforrest072
 
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Calculation of mean

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Find the mean of the following distribution:
asked Feb 9, 2018 in Mathematics by sforrest072 (157,439 points)
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asked Feb 9, 2018 in Mathematics by sforrest072 (157,439 points)

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