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Statistics
CBSE 2026 Board Exam Set 1 (Code 30/7/1)
CBSE_BOARD_PYQ_2026_30_7_1
Grade 10
Question:
[Section A]
Assertion (A): The modal class for the given frequency distribution shown in the table is -145$.
Reason (R): Modal class is the class interval having the maximum frequency.
(A) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B) Both Assertion (A) and Reason (R) are true but Reason (R) is NOT the correct explanation of Assertion (A).
(C) Assertion (A) is true but Reason (R) is false.
(D) Assertion (A) is false but Reason (R) is true.
Assertion (A): The modal class for the given frequency distribution shown in the table is -145$.
Reason (R): Modal class is the class interval having the maximum frequency.
(A) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B) Both Assertion (A) and Reason (R) are true but Reason (R) is NOT the correct explanation of Assertion (A).
(C) Assertion (A) is true but Reason (R) is false.
(D) Assertion (A) is false but Reason (R) is true.
Step-by-Step Solution
Key Concept: Definition of modal class.
Sol. (A) Both A and R are true and R is correct explanation of A. [1.0 Mark]
Correct Answer: (A) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
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