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.

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Heights (in cm) of 30 girls of Class IX are given below: 140, 140, 160, 139, 153, 153, 146, 150, 148, 150, 152, 146, 154, 150, 160, 148, 150, 148, 140, 148, 153, 138, 152, 150, 148, 138, 152, 140, 146, 148. Prepare a frequency distribution table for this data.

TextFrequency Distribution Table

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.

TextFrequency Distribution Table