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CBSE /Class 9
Maths MCQ Based On Presentation of data
Our free online Maths test quiz for Class 9, CBSE will assist you to improve your Maths skills on every concept in a fun interactive way.
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CBSE Class 9 Maths Presentation of data
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Class mark for class a-b =a+b/2
Class mark =
Count the number of heads each time.
arrange in increasing order first
Using bar graph find the number of students who got marks less than 20.
Recall the class mark formula and follow with corrosponding class marks.
Measure the number closely
draw the graph carefully
Recall presentation of data
To make the table, take class width 5 and class intervals as 5-10 etc. Note that class 5-10 means 5 to 10 including 5 and 10 both and so on.
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