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Statistics

CBSE 2026 Board Exam Set 3 (Code 30/1/3)

CBSE_BOARD_PYQ_2026_30_1_3

Grade 10

Question:

[Section A]

For the following frequency distribution, the modal class is:
Class: 0-5, 5-10, 10-15, 15-20
Frequency: 7, 12, 20, 8

(a) 5-10
(b) 0-5
(c) 10-15
(d) 15-20

Step-by-Step Solution

Key Concept: The modal class is the class interval with the maximum frequency.

Maximum frequency is $20$, corresponding to class interval $10-15$. [1.0 Mark]

Correct Answer: (c) 10-15

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