Question

Name..
10
1. The following is the distribution of weights
(in kg.) of 60 persons.
Weight. (in kg.) Number of Persons
30-40
40-50
50-60
60-70
70-80
(i) What is the lower limit of class 50-60?
(ii) Find the class-marks of classes 40-50 and
50-60.
(iii) What is the size of the class?
​

Answer 1

1. lower limit of class 50-60=50
2. class mark of classes 40-50&50-60=10
3. class size=10

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Answer 2

Step-by-step explanation:

50

10

10 .....hope it works