The given data shows the marks obtained by 20 students of a class in a Math
test.
31, 9, 8, 20, 8, 7, 30, 31, 24, 20, 13, 13, 28, 26, 19, 27, 13, 12, 25, 21
Represent the data in a frequency distribution table and find the mean.
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kismi
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