Find the mean for the following distribution:

12, 14, 10, 12, 15, 12, 18, 10, 15, 11, 19, 20, 12, 15, 19, 10, 18, 16, 20, 17.

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Solution

The given frequency distribution is:

Thus, the mean is

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Find the mean for the following distribution: 12, 14, 10, 12, 15, 12, 18, 10, 15, 11, 19, 20, 12, 15, 19, 10, 18, 16, 20, 17.

The given frequency distribution is: Thus, the mean is

Find the mean for the following distribution:

12, 14, 10, 12, 15, 12, 18, 10, 15, 11, 19, 20, 12, 15, 19, 10, 18, 16, 20, 17.

The given frequency distribution is:

Thus, the mean is