Q11 of 43 Page 22

Tally are usually marked in a bunch of

After a bunch of 4 they are cut with a slant line symbolizing it as 5.

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9

Let l be the lower class limit of a class-interval in a frequency distribution and m be the mid-point of the class. Then, the upper class limit f the class is:

 10

The following marks were obtained by the students in a test:

81, 72, 90, 86, 85, 92, 70, 71, 83, 89, 95, 85, 79, 62


The range of the marks is

 1

Define cumulative frequency distribution.

 2

Explain the difference between a frequency distribution and a cumulative frequency distribution.