CBSE Class 10-Mathematics: Chapter – 14 Statistics Part 17 (For CBSE, ICSE, IAS, NET, NRA 2022)

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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
MarksFrequency 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

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 IntervalMid-value Frequency

Since Mean

Thus,

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