NCERT Class 8 Mathematics Solutions: Chapter 5 – Data Handling Exercise 5.1 Part 2 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Frequency and Number of Hours of TV Watched Chart

Question: 4 Draw a histogram for the frequency table made for the data in Question 3 and answer the following questions.

(i) Which group has the maximum number of workers?

(ii) How many workers earn ₹ 850 and more?

(iii) How many workers earn less than ₹ 850?

Answer:

(i) 830 – 840 group has the maximum number of workers.

(ii) Workers workers can earn more than 850.

(iii) Workers workers earn less than 850.

A Histogram of the Frequency Table

Question: 5 The number of hours for which students of a particular class watched television during holidays is shown through the given graph. Answer the following:

(i) For how many hours did the maximum number of students watch T. V. ?

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

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

Chart of Hours of Number of Students Watched a TV Per Day

Answer:

(i) The maximum number of students watched T. V. for 4 – 5 hours.

(ii) Students students watched T. V. for less than 4 hours.

(iii) Students students spent more than 5 hours in watching T. V.