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in Statistics by (56.3k points)

The marks scored by 20 students in a test are given below:

54, 42, 68, 56, 62, 71, 78, 51, 72, 53, 44, 58, 47, 64, 41, 57, 89, 53, 84, 57.

Complete the following frequency table:

What is the class interval in which the greatest frequency occurs?

1 Answer

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Best answer

The frequency table can be completed as follows:

Marks in Class Interval Tally Marks No: of Children
40-50 III 4
50-60  III 8
60-70 III 3
70-80 III 3
80-90 II 2

The class interval with the greatest frequency (8) is 50-60.

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