Sahay Sir > Question Answers > NCERT Class 9 > Maths > Chapter 14 - Statistics > 7. 30 children were asked about the number of hours they watched TV programmes last week. The results are recorded as under : Can we say that the number of children who watched TV for 10 or more hours a week is 22? Justify your answer
7. 30 children were asked about the number of hours they watched TV programmes last week. The results are recorded as under : Can we say that the number of children who watched TV for 10 or more hours a week is 22? Justify your answer
