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The Marks Scored by 750 Students in an Examination Are Given in the Form of a Frequency Distribution Table: Prepare a Cumulative Frequency Table by Less than Method and Draw an Ogive. - CBSE Class 10 - Mathematics

ConceptOgives (Cumulative Frequency Graphs)

Question

The marks scored by 750 students in an examination are given in the form of a frequency distribution table:

 Marks No. of students 600 - 640 16 640 - 680 45 680 - 720 156 720 - 760 284 760 - 800 172 800 - 840 59 840 - 880 18

Solution

 Marks No. of students Marks less then Cumulative frequency Suitable Points 600-640 16 640 16 (640,16) 640-680 45 680 61 (680,61) 680-720 156 720 217 ( 720, 217) 720-760 284 470 501 (760, 501) 760-800 172 800 673 ( 800, 673) 800-840 59 840 732 ( 840,732) 840-880 18 880 750 ( 880,750)

Now, we draw the less than ogive with suitable points.

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Solution The Marks Scored by 750 Students in an Examination Are Given in the Form of a Frequency Distribution Table: Prepare a Cumulative Frequency Table by Less than Method and Draw an Ogive. Concept: Ogives (Cumulative Frequency Graphs).
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