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?

8

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6

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10

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4

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Solution

The correct option is A $6$
From the given table, number of children who watched tv more than $10$ hours are number of children who watched within $10 - 15$ and $15 - 20$ hours.

Therefore, number of children who watched tv more than $10$ hours $= 4 + 2 = 6$ hours

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Similar questions

Q. 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} N u m b e r o f h o u r s & 0 - 5 & 5 - 10 & 10 - 15 & 15 - 20 F r e q u e n c y & 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.

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.

Q. Thirty children were asked about the number of hours they watched TV programmes in the previous week. The results were found as under:
8, 4, 8, 5, 1, 6, 2, 5, 3, 12, 3, 10, 4, 12, 2, 8, 15, 1, 6, 17, 5, 8, 2, 3, 9, 6, 7, 8, 14, 12.

How many children watched television for 15 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.

Q. Question 8 (ii)
Thirty children were asked about the number of hours they watched TV programmes in the previous week. The results were found as follows:

\begin{matrix} 1 & 6 & 2 & 3 & 5 & 12 & 5 & 8 & 4 & 8 10 & 3 & 4 & 12 & 2 & 8 & 15 & 1 & 17 & 6 3 & 2 & 8 & 5 & 9 & 6 & 8 & 7 & 14 & 12 \end{matrix}

(ii) How many children watched television for 15 or more hours a week?

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

30 children were asked about the number of hours they watched TV programmes last week. The results are recorded as under :Number of hours0−5 5−10 10−15 15−20frequncy81642What is the number of children who watched TV for 10 or more hours a week?

The correct option is A 6From the given table, number of children who watched tv more than 10 hours are number of children who watched within 10−15 and 15−20 hours.Therefore, number of children who watched tv more than 10 hours =4+2=6 hours

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?

The correct option is A $6$
From the given table, number of children who watched tv more than $10$ hours are number of children who watched within $10 - 15$ and $15 - 20$ hours.

Therefore, number of children who watched tv more than $10$ hours $= 4 + 2 = 6$ hours