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

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.
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  • A 13.5
  • B 16
  • C 16.5
  • D 22.5
Correct Answer: Option C
Explanation:
The modal class = 14 - 16
The upper class boundary = \(\frac{16 + 17}{2} = \frac{33}{2} = 16.5\)

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