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The blood groups of 30 students are recorded as follows: A, B, O, A, AB, O, A, O, B, A, O, B, A, AB, B, A, AB, B, A, A, O, A, AB, B, A, O, B, A, B, A. Prepare a frequency distribution table for the data.
The value of π upto 35 decimal places is given below: 3.14159265358979323846264338327950288. Make a frequency distribution of the digits 0 to 9 after the decimal point.
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