Number of students (boys and girls) in class IX of a certain school:

Given below is the data of number of students (boys and girls) in class IX of a certain school:

Class IX A IX B IX C IX D
Boys 28 22 40 15
Girls 18 34 12 25

Draw a bar graph to represent the above data.

Solution:

Statistics Class 9 ICSE ML Aggarwal img 9

Draw a histogram to represent the following data:

Marks obtained 0-10 10-20 20-30 30-40 40-50 50-60
No. of students 4 10 6 8 5 9

Solution:

Statistics Class 9 ICSE ML Aggarwal img 10

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