Data Handling| Worksheet Solutions| Class 8

Worksheet solutions for chapter: Data Handling for class 8 are provided below.

(1)The height of the students of a class is given below

150cm, 151cm, 155cm, 157cm, 155cm, 151,cm, 152cm, 158cm, 157cm, 154cm, 155cm, 153cm, 152cm, 153cm, 156cm, 157cm, 158cm, 154cm, 151cm, 156cm

Make a histogram from given data.

Ans-

The group distribution table is given below:-

Group Interval No of students
150 – 152 4
152 – 154 4
154 – 156 5
156 – 158 5
158 – 160 2

Histogram of given data is shown below:-

Diagram of Question 1 of Worksheet Solutions of NCERT Chapter Data Handling

 

(2)A histogram showing number of children according to their weight is given below.

Diagram of Question 2 of Worksheet of NCERT Chapter Data Handling

Answer the following

(i)In which weight group does maximum number of children come?

(ii)How many children have 30 – 35 kg weight?

Ans-

(i) 35 – 40 weight group maximum number of children comes.

(ii) 20 children have 30 – 35 kg weight.

 

(3) A T – shirt manufacturer making different size of T – shirts daily. He manufactured S, M and L size T – shirts. His daily production is given below for 30 days.

S, L, L, M, S, M, L, M, S, S, M, M, L, L, L, S, M, M, M, L, S, S, S, S, M, M, L,S, S, L

Make frequency distribution table using tally marks.

Answer the following

(i) Which size of T – shirt has maximum production?

(ii) Which size of T – shirt has minimum production?

Ans-

Frequency distribution table using tally marks is given below:-

(i) S size T- shirts have maximum production.

(ii)L size T – shirts have minimum production.

 

(4)Pie chart is given below for the expenditure of a family.

Diagram of Question 4 of Worksheet of NCERT Chapter Data Handling

Answer the following

(i)On which item, the expenditure was maximum?

(ii)How much family spend on food, if salary of the family is 10000 Rs?

Ans-

(5)Choices of food for students are given below.

Favourite food Number of people
North Indian 60
South Indian 40
Chinese 80
Italian 30
Others 30
Total 240

Draw a pie chart for given data.

Ans-

 

(6)List the outcomes of finding a red colour ball from a bag. If bag has 4 white, 1 red, 2 blue and 3 green balls.

Ans-The outcome of a red colour ball is one.

 

(7) Raj has two white, one blue and one black shirt. What is the probability to pick black shirt?

Ans-

(8) Fill in the blanks:

(i) Unorganised data is called ……

(ii) A circle graph is also known as…..

Ans-

(i) Unorganised data is called raw data.

(ii) A circle graph is also known as pie chart.

 

Choose the correct answer.

(9) Grouped data can be represented using

(i) pie chart

(ii) histogram

Ans- (ii) histogram   

 

(10) In pie chart, total angle at the centre is

(i) 900

(ii) 3600

Ans- (ii) 3600   

Helping Topics

Data Handling

NCERT Solutions Class 8