Question

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.
Marks No.of students
600-400 16
640-680 45
680-720 156
720-760 284
760-800 172
800-840 59
840-880 18

Answer 1

Prepared a cumulative frequency table

Step-by-step explanation:

600-640   16

640-680   45

680-720   156

720-760   284

760-800   172

800-840   59

840-880    18

Less than 640        16

Less than 680        61

Less than 720        217

Less than 760        501

Less than 800        673

Less than 840        732

Less than 880        750

Less than ogive

The points with the upper limits of the class are plotted on x axis  and the corresponding less than cumulative frequencies on y axis.

The points are joined by free hand smooth curve to give less than cumulative frequency curve or the less than Ogive

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what type of ogive do we call a graph which has been drawn ...

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