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The marks of 20 students in a test were ...

The marks of 20 students in a test were as follows: 5, 6, 8, 9, 10, 11, 12, 13, 13, 14, 14, 15, 15, 15, 16, 16, 18, 19, 20. Calculate the mean, median and mode.

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The correct Answer is:
Mean = 13, Median = 3.5, Mode = 15
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