# Selina solutions for Concise Mathematics Class 8 ICSE chapter 22 - Data Handling [Latest edition]

## Chapter 22: Data Handling

Exercise 22 (A)Exercise 22 (B)
Exercise 22 (A) [Page 248]

### Selina solutions for Concise Mathematics Class 8 ICSE Chapter 22 Data Handling Exercise 22 (A) [Page 248]

Exercise 22 (A) | Q 1.1 | Page 248

Arrange the following data as an array (in ascending order):

7, 5, 15, 12, 10, 11, 16

Exercise 22 (A) | Q 1.2 | Page 248

Arrange the following data as an array (in ascending order):

6.3, 5.9, 9.8, 12.3, 5.6, 4.7

Exercise 22 (A) | Q 2.1 | Page 248

Arrange the following data as an array (descending order):

2, 0, 3, 4, 1, 2, 3, 5

Exercise 22 (A) | Q 2.2 | Page 248

Arrange the following data as an array (descending order):

9.1, 3.7, 5.6, 8.3, 11.5, 10.6

Exercise 22 (A) | Q 3.1 | Page 248

Construct a frequency table for the following data:

6, 7, 5, 6, 8, 9, 5, 5, 6, 7, 8, 9, 8, 10, 10, 9, 8, 10, 5, 7, 6, 8.

Exercise 22 (A) | Q 3.2 | Page 248

Construct a frequency table for the following data:

3, 2, 1, 5, 4, 3, 2, 5, 5, 4, 2, 2, 2, 1, 4, 1, 5, 4.

Exercise 22 (A) | Q 4 | Page 248

The following are the marks obtained by 30 students in an examination.

 15 20 8 9 10 16 17 20 24 30 44 47 38 36 40 27 25 28 30 19 7 11 21 31 41 37 47 23 20 17

Taking class intervals 0-10, 10-20, ……… 40-50 ; construct a frequency table.

Exercise 22 (A) | Q 5 | Page 248

Construct a frequency distribution table for the following data; taking class-intervals 4-6, 6-8, ……… 14-16.

 11.5 6.3 7.8 9.2 10.5 4.5 6 8.3 12.5 15.8 7.4 5.3 8.4 15.2 8.9 9.8 8.25 6.5 5.8 10.5 4.6 6.4 8.9 10.8 12.7 6.6 4.3 4.7 9.4 10.1 15.5 14.4 12.2 7.7 5.5
Exercise 22 (A) | Q 6.1 | Page 248

Fill in the blank:

Lower class limit of 15-18 is ………

Exercise 22 (A) | Q 6.2 | Page 248

Fill in the blank:

The upper-class limit of 24-30 is ……..

Exercise 22 (A) | Q 6.3 | Page 248

Fill in the blank:

The upper limit of 5-12.5 is ………

Exercise 22 (A) | Q 6.4 | Page 248

Fill in the blank:

If the upper and the lower limits of a class interval are 16 and 10; the class-interval is ……..

Exercise 22 (A) | Q 6.5 | Page 248

Fill in the blank:

If the lower and the upper limits of a class interval are 7.5 and 12.5; the class interval is ……..

Exercise 22 (B) [Pages 252 - 253]

### Selina solutions for Concise Mathematics Class 8 ICSE Chapter 22 Data Handling Exercise 22 (B) [Pages 252 - 253]

Exercise 22 (B) | Q 1 | Page 252

A hundred students from a certain locality use different modes of travelling to school as given below. Draw a bar graph.

 Bus Car Rickshaw Bicycle Walk 32 16 24 20 8
Exercise 22 (B) | Q 2 | Page 252

Mr. Mirza’s monthly income is Rs. 7,200. He spends Rs. 1,800 on rent, Rs. 2,700 on food, Rs. 900 on the education of his children; Rs. 1,200 on Other things and saves the rest.
Draw a pie-chart to represent it.

Exercise 22 (B) | Q 3 | Page 253

The percentage of marks obtained, in different subjects by Ashok Sharma (in an examination) is given below. Draw a bar graph to represent it.

 English Hindi Maths Science Social Studies 85 60 35 50 70
Exercise 22 (B) | Q 4 | Page 253

The following table shows the market position of different brands of tea-leaves.

 Brand A B C D others % of Buyers 35 20 20 15 10

Draw it-pie-chart to represent the above information.

Exercise 22 (B) | Q 5 | Page 253

Students of a small school use different modes of travel to school as shown below:

 Mode Bus Car Bicycle Auto On foot No. of students 142 98 50 34 16

Draw a suitable bar graph.

Exercise 22 (B) | Q 6 | Page 253

For the following table, draw a bar-graph

 A B C D E F 230 400 350 200 380 160
Exercise 22 (B) | Q 7 | Page 253

Manoj appeared for ICSE examination 2018 and secured percentage of marks as shown in the following table:

 Subject Hindi English Maths Science Social Study Marks as percent 60 45 42 48 75

Represent the above data by drawing a suitable bar graph.

Exercise 22 (B) | Q 8 | Page 253

For the data given above in question number 7, draw a suitable pie-graph.

Exercise 22 (B) | Q 9 | Page 253

Mr. Kapoor compares the prices (in Rs.) of different items at two different shops A and B. Examine the following table carefully and represent the data by a double bar graph.

 Items Price (in ₹) at the shop A Price (in ₹) at the shop B Tea-set 900 950 Mixie 700 800 Coffee-maker 600 700 Dinner set 600 500
Exercise 22 (B) | Q 10 | Page 253

The following tables show the mode of transport used by boys and girls for going to the same school.

 Bus Bicycle Walking Other sources Number of boys 80 60 20 85 Number of girls 90 75 35 60

Draw a double bar graph representing the above data.

## Chapter 22: Data Handling

Exercise 22 (A)Exercise 22 (B)

## Selina solutions for Concise Mathematics Class 8 ICSE chapter 22 - Data Handling

Selina solutions for Concise Mathematics Class 8 ICSE chapter 22 (Data Handling) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE Concise Mathematics Class 8 ICSE solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Selina textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Concise Mathematics Class 8 ICSE chapter 22 Data Handling are Collecting Data, Frequency, Raw Data, Arrayed Data and Frequency Distribution, Constructing a Frequency Table, Class Intervals and Class Limits, Graphical Representation of Data, Concept of Data Handling, Frequency Distribution Table.

Using Selina Class 8 solutions Data Handling exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Selina Solutions are important questions that can be asked in the final exam. Maximum students of CISCE Class 8 prefer Selina Textbook Solutions to score more in exam.

Get the free view of chapter 22 Data Handling Class 8 extra questions for Concise Mathematics Class 8 ICSE and can use Shaalaa.com to keep it handy for your exam preparation