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Marks 5-7 8-10 11-13 14-16 17-19 20-22
No of students 4 7 26 41 14 8

The table above shows the distribution of marks of students in a class. Find the upper class boundary of the modal class.

A.

13.5

B.

16

C.

16.5

D.

22.5

Correct answer is C

The modal class = 14 - 16

The upper class boundary = \(\frac{16 + 17}{2} = \frac{33}{2} = 16.5\)



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