NCERT Solutions for Class 8 Maths Chapter 5 Data Handling is crucial for the students of 8th class to clear their doubts and excel in their examination. These solutions help students to frame a better understanding of the topic. Swiflearn provides these NCERT Solutions to help the students not only sort their difficulties in solving problems but also to develop a deeper understanding of the related concepts and to ease the fear of Maths.

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## NCERT Solutions for Class 8 Maths Chapter 5 : Data Handling Ex 5.1

**Question 1:**

**For which of these would you use a histogram to show the data:**

**(a) The number of letters for different areas in a postman’s bag.**

**(b) The height of competitors in an athletics meet.**

**(c) The number cassettes produced by 5 companies.**

**(d) The number of passengers boarding trains from 7.00 a.m. to 7.00 p.m. at**

**a station. Give reason for each.**

**Solution**:

Given that, the histogram is a graphical representation of data, if data is represented in manner of class interval. Thus, for case b and d we would use a histogram to show the data, because in these cases, data can be divided into class intervals. In case b, a group of competitions having different heights in athletics meet. In case d number of passengers boarding trains in an interval

of one hour at a station

**Question 2:**

**The shoppers who come to a departmental store are marked as: man (M),**

**woman (W), boy (B) or girl (G). The following list gives the shoppers who**

**came during the first hour in the morning. W W W G B W W M G G M M**

**W W W W G B M W B G G M W W M M W W W M W B W G M W W W**

**W G W M M W M W G W M G W M M B G G W. Make a frequency**

**distribution table using tally marks. Draw a bar graph to illustrate it.**

**Solution**:

The frequency distribution table is given as follows:

The illustration of data by bar graph is as follows:

**Question 3:**

**The weekly wages (in `) of 30 workers in a factory are: 830, 835, 890, 810,**

**835, 836, 869, 845, 898, 890, 820, 860, 832, 833, 855, 845, 804, 808, 812, 840,**

**885, 835, 835, 836, 878, 840, 868, 890, 806, 840.**

**Using tally marks, make a frequency table with intervals as 800 – 810, 810 –**

**820 and so on.**

**Solution**:

The illustration of the data by frequency distribution table using tally marks is as follows:

**Question 4:**

**Draw a histogram for the frequency table made for the data in Question 3**

**and answer the following questions.**

**(i) How many workers earn 850 and more?**

**(ii) How many workers earn less than 850?**

**Solution**:

(i) Group 830 – 840 has the max number of workers.

(ii) Ten workers earn more than 850.

(iii) Twenty workers earn less than 850

**Question 5:**

**The number of hours for which students of a particular class watched**

**television during holidays is shown through the given graph.**

**We draw the histogram for above frequency table:**

**Answer the following:**

**(i) For how many hours did the max number of students watch TV?**

**(ii) How many students watched TV for less than 4 hours?**

**(iii) How many students spent more than 5 hours in watching TV?**

**Solution**:

(i) The max number of students watched TV for 4 to 5 hours.

(ii) 34 students watched TV for less than 4 hours.

(iii) 14 students spent more than 5 hours watching TV.

## NCERT Solutions for Class 8 Maths Chapter 5 : Data Handling Ex 5.2

## NCERT Solutions for Class 8 Maths Chapter 5 : Data Handling Ex 5.3