Request a call back

Join NOW to get access to exclusive study material for best results

Class 9 FRANK Solutions Maths Chapter 22 - Statistics

Find out how to interpret data from a frequency table by practising TopperLearning’s Frank Solutions for ICSE Class 9 Mathematics Chapter 22 Statistics. Learn to determine class limits based on frequency distribution data. Revise textbook solutions on how to construct a cumulative frequency distribution table.

Study the definition of secondary data, primary data, frequency, variate, class mark, etc. with our Frank textbook solutions. There are ample e-learning resources other than textbook solutions available on our study portal. The learning materials like ICSE Class 9 Maths videos and online mock tests can be used to prepare well for your exam.

Statistics Exercise Ex. 22.1

Solution 1

Solution 2

Solution 3

Solution 4

Solution 5

Solution 6

Solution 7

Solution 8

Solution 9


 

Solution 10

Solution 11

Solution 12

Statistics Exercise Ex. 22.2

Solution 1

Solution 2

Solution 3

Solution 4

Solution 5

Frequency distribution table is as follows:

 

Weight (in kg)

c.f.

25 - 30

110 (750 - 640)

30 - 35

25 (640 - 615)

35 - 40

130 (615 - 485)

40 - 45

115 (485 - 370)

45 - 50

150 (370 - 220)

50 - 55

96 (220 - 124)

55 - 60

75 (124 - 49)

60 - 65

25 (49 - 25)

65 - 70

24 (24 - 0)

70 - 75

0

 

a. The number of students whose weight lie in the interval 40 - 45 is 115.

b. The interval 45 - 50 has the most number of students.

Statistics Exercise Ex. 22.3

Solution 1

Solution 2

Solution 3

Solution 4

Solution 5

Solution 6

Solution 7

Solution 8

Solution 9

Solution 10

Solution 11

Solution 12

Solution 13

Solution 14

Solution 15

Solution 16

Solution 17

Solution 18

Solution 19

Solution 20

Get FREE Sample Mock Papers for Final Exams
Download Now
×