Question

plz solve 29 question

Answer 1

I'll think.....................................

Answer 2

firstly u hv to convert the no.s in point form
10.5-20.5
20.5-30.5
30.5-40.5
40.5-50.5
50.5-60.5
now take a graph plate these converted classes in the breadth side and plate the frequencies in length side and draw a histogram by joining all the upper lines !!..