Consider the following frequency distribution:
Class 0-10
10-20
20-30 30-40 40-50 50-60
Frequency
3 9 15 30 18 5

The modal class is
(a) 10-20 (b)20-30 (c)30-40 (d) 50-60

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Solution

As the class 30-40 has maximum frequency, so it is the modal class.

Hence correct answer is option (C).

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Similar questions

Consider the frequency distribution of the heights of 60 students of a class:

$\begin{matrix} H e i g h t (i n c m) & N o . o f . S t u d e n t s & C u m u l a t i v e F r e q u e n c y 150 - 155 & 16 & 16 155 - 160 & 12 & 28 160 - 165 & 9 & 37 165 - 170 & 7 & 44 170 - 175 & 10 & 54 175 - 180 & 6 & 60 \end{matrix}$

The sum of the lower limit of the modal class and the upper limit of the median class is :

(a) 310 (b) 315 (c) 320 (d) 330

The modal class in the following frequency distribution is:

The following is the formula for finding the mode of grouped data. State what p and q are.
Mode = $p + \frac{q - f_{0}}{(q - f_{0}) + (q - f_{2})} \times h$

Q. The class size and frequency of modal class is

Q. The modal class is the class that has the lowest frequency.

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Consider the following frequency distribution: Class 0-10 10-20 20-30 30-40 40-50 50-60 Frequency 3 9 15 30 18 5 The modal class is (a) 10-20 (b)20-30 (c)30-40 (d) 50-60

As the class 30-40 has maximum frequency, so it is the modal class. Hence correct answer is option (C).

Consider the following frequency distribution:
Class 0-10
10-20
20-30 30-40 40-50 50-60
Frequency
3 9 15 30 18 5

The modal class is
(a) 10-20 (b)20-30 (c)30-40 (d) 50-60

As the class 30-40 has maximum frequency, so it is the modal class.

Hence correct answer is option (C).