From the table given below, answer the following questions:

How many hours they watch TV
or listen to the radio (in a week). Number of
children

More than 6 hours 25

Six hours 20

Five hours 20

Four hours 20

Three hours 20

Two hours 12

One hours
Zero hours 13
10

i) Find the number of children who spend more than 6 hours in a week to watch TV or listen to radio?
ii) Find the number of children who spend no time at all for TV or radio?
iii) How many children spent more than 3 hours in a week to watch TV or listen to radio?

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Solution

(i) 25
(ii) 10
(iii) 25+20+20+20= 85

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Similar questions

Q. From the table given below, answer the following questions:

How many hours they watch Tv or listen to the radio (in a week)	Number of children
More than 6 hours	25
Six hours	20
Five hours	20
Four hours	20
Three hours	15
Two hours	12
One hour Zero hour	13 10

i) Find the number of children who spend 1 hour for watching TV or listening to radio?
ii) Find the number of children who spend less than 5 hours for watching TV or listening to radio ?

Q. • Note the time you spend in front of a TV or radio every day. Do this for one week. The time spend in a week is ________ hours.
So in a month you spend about 30 × ____ = ____ hours.

• Find out from your friends the time they spend in a week.

How many hours they watch TV or listen to the radio (in a week)	Number of Children
More than 6 hours
Six hours
Five hours
Four hours
Three hours
Two hours
One hour
Zero hour (do not watch)

Q. How many children spend more than three hours watching TV?

Q. 30 children were asked about the number of hours they watched TV programmes last week. The results are recorded as under :

Number of hours	$0 - 5$	$5 - 10$	$10 - 15$	$15 - 20$
frequncy	$8$	$16$	$4$	$2$

What is the number of children who watched TV for 10 or more hours a week?

Question 7
30 children were asked about the number of hours they watched TV programs last week. The results are recorded as under:

$\begin{matrix} Number of hours & 0 - 5 & 5 - 10 & 10 - 15 & 15 - 20 Frequency & 8 & 16 & 4 & 2 \end{matrix}$

Can we say that the number of children who watched TV for 10 or more hour in a week is 22? Justify your answer.

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(i) 25 (ii) 10 (iii) 25+20+20+20= 85

(i) 25
(ii) 10
(iii) 25+20+20+20= 85