CBSE Class 10-Mathematics: Chapter –14 Statistics Part 17

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Question 15:

Draw a less than give for the following frequency distribution:

Draw a less than Ogive for the following frequency distribution

Marks

No. of students

Answer:

We have

Draw a less than Ogive for the following frequency distribution

Marks

Frequency

C.F

Draw a less than Ogive for the following frequency distribution

Upper class limits

Cumulative Frequency

Plot the points

Joint these points by a free hand curve; we get the required give which is as follows:

Joint these points by a free hand curve

Joint These Points by a Free Hand Curve

Loading image

Question 16:

The A.M of the following frequency distribution is . Find the value of P.

The A.M of the following frequency distribution

Classes

Frequency

Answer:

We have

The A.M of the following frequency distribution is 53. Find the value of P

Class Interval

Mid-value

Frequency

Since Mean

Thus,