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CBSE Class 9 Answered

Asked by Topperlearning User | 04 Jan, 2014, 11:46: AM
Expert Answer
(i) Class interval 0-10 has maximum frequency of 45.

(ii) Frequency of class-interval 30 - 40 is 15.

(iii) Mid-point of class-interval 40 - 50 is (40+50)/2 = 45.

(iv) Class-interval 20-30 has frequency 25.
Answered by | 04 Jan, 2014, 01:46: PM
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