Children were asked about the number of hours they play- and the responses have been recorded as follows- Vbeginarray - WlineNo- of hours - No- of children Nlhline 0-2 - 7 Whline2-4 - 11 Mhline4-6 - 15 tilhline6-8 - 9 Whhine8-10 - 8 Whline lend array How many children participated in the survey-A- 40B- 45C- 55D- 50

The correct option is D 50The number of children participated in the survey = 7+ 11 + 15 + 9 + 8 = 50. ...

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Grouped Frequency Distribution Table

Children were...

Question

Children were asked about the number of hours they play, and the responses have been recorded as follows.
$\begin{matrix} N o . o f h o u r s & N o . o f c h i l d r e n 0 - 2 & 7 2 - 4 & 11 4 - 6 & 15 6 - 8 & 9 8 - 10 & 8 \end{matrix}$

How many children participated in the survey?

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\begin{matrix} N o . o f h o u r s & N o . o f c h i l d r e n 0 - 2 & 7 2 - 4 & 11 4 - 6 & 15 6 - 8 & 9 8 - 10 & 8 \end{matrix}

\begin{matrix} N o . o f h o u r s & N o . o f c h i l d r e n 0 - 2 & 7 2 - 4 & 11 4 - 6 & 15 6 - 8 & 9 8 - 10 & 8 \end{matrix}

\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}

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