Question 730 children were asked about the number of hours they watched TV programs last week. The results are recorded as under:Number of hours0−55−1010−1515−20Frequency81642Can we say that the number of children who watched TV for 10 or more hour in a week is 22? Justify your answer.

Question 730 children were asked about the number of hours they watche

1.	Question 730 children were asked about the number of hours they watched TV programs last week. The results are recorded as under:Number of hours0−55−1010−1515−20Frequency81642Can we say that the number of children who watched TV for 10 or more hour in a week is 22? Justify your answer.
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.