Q. 14.1( 29 Votes )

Observe the follo

Answer :

(1) Class 60-70 has maximum number of students


(2) Class 20-30 and class 90-100 have zero frequency


(3) Frequency 50 students is for class 50-60


Class mark for this class is 55


(4) Class mark is 85 for class 80-90


Lower limit = 80


Upper limit = 90


(5) There are 15 students in class 80-90


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