Question

30 children were asked about the number of hours they watched TV programs
last week. The result are recorded as under
Number of hours
0-5
5-10
10-15
15-20
Frequency
8,16,4,2
Can we say that the number of children who watched TV for 10 or more hours a week is
22? Justify your answer.​

Answer 1

Answer:

no we can not say that

because we need to take last two here

so that 4+2 gives 6

so 6 is the answer i am thinking