The frequency distribution of weights (in kg) of 40 persons is given below. Weights (in kg) 30 - 35 35 - 40 40 - 45 45 - 50 50 - 55 Frequency 6 13 14 4 3 (a) Wh
Mathématiques
Mahreen
Question
The frequency distribution of weights (in kg) of 40 persons is given below.
Weights (in kg)
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
Frequency
6
13
14
4
3
(a) What is the lower limit of fourth class interval?
(b) What is the class size of each class interval?
(c) Which class interval has the highest frequency?
(d) Find the class marks of all the class intervals?
Weights (in kg)
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
Frequency
6
13
14
4
3
(a) What is the lower limit of fourth class interval?
(b) What is the class size of each class interval?
(c) Which class interval has the highest frequency?
(d) Find the class marks of all the class intervals?