Question

18. The following data gives the weight (in grams) of 30 apples picked from a basket,
The data was presented in the tabular form as below:
Weight (in gm)
60 - 80
Frequency
3
80 - 100
10
100 - 120
9
120 - 140
5
140 - 160
1
160 - 180
0
180 - 200
1
200-220
1
(C) 30
Class size of given distribution is :
(a) 20
(b) 10
(in) Class mark of the fourth class is :
(a) 70
(b) 130
(d) 15
(C) 20
(d) 15​

Answer 1

Answer:

what is your question I don't know

Answer 2

Answer:

1) 20 (a)

2) 130

Step-by-step explanation:

class size = upper limit - lower limit

class mark= Upper interval + lower interval/2

= 120+140/2

= 260/2

= 130