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

$(c) 30 - 40 . The class 30 - 40 has the maximum freequency, i . e ., 30 . So, the modal class is 30 - 40 .$

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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

(c) 30-40. The class 30-40 has the maximum freequency, i.e., 30. So, the modal class is 30-40.

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

$(c) 30 - 40 . The class 30 - 40 has the maximum freequency, i . e ., 30 . So, the modal class is 30 - 40 .$