In the given data, the class size of the class intervals is ______.
10
2
4
6
Class size = uppper class limit - lower class limit = 16 - 12 = 4
Question 14
In a frequency distribution with classes 0-10, 10-20 etc., the size of the class intervals is 10. The lower limit of fourth class is:
(a) 40
(b) 50
(c) 20
(d) 30
Question 46
The sixth class interval for a grouped data whose first two class intervals are 10-15 and 15-20 is ___
The size of a class interval is obtained by dividing the ________ of the data by the number of class intervals.