Question

(a) Find the size of the class in the following. (a) 0-8 (b) 0-12 12-24 8-16 24-36 16-24​

Answer 1

Answer:

a)8

b)12

c)12

8

12

8

Step-by-step explanation:

Answer 2

Step-by-step explanation:

Here, the maximum frequency is 17 and the corresponding class is 12−16. So, 12−16 is the modal class.

We have,

l=12,h=4,f=17,f

1

=9 and f

2

=12

∴Mode=l+

2f−f

1

−f

2

f−f

1

×h

⇒Mode=12+

34−9−12

17−9

×4

⇒Mode=12+

13

8

×4=12+

13

32

=12+2.4=14.4

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