Question

math Case Study 1
A survey was done of 36 students of Class IX and their weights in Kg were recorded.On the basis of given table answer
1) The Class width is
a) 6
b) 5
c) 0.5
d) 5.5

2) Class mark of 40.5-45.5 is
a) 86
b) 30
c) 43
d) 35

3 Maximum students have weight in the category
a) 40.5-45.5
b) 55.5-60.5
c) 45.5-50.5
d) 30.5-35.5

4 The mean weight is
a) 41.19
b) 40
c) 44.5
d) 42

5 If histogram is to be drawn for the given data,then number of students will be represented on
a) Xaxis
b) Yaxis
c) Origin
d) none of these​

Answer 1

Answer:

1 -b, 2-c, 3-a, 4-45.5,5-a