Question

Q4. The following is the distribution of weights (in kg.) of 60 persen
Weight (in kg.) No. 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
(in) What is the size of the class?​

Answer 1

Answer:

1) lower limit is 50

2) class mark are 45, 55

3) size of the class is 10

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