Mathematics
The classes of a frequency distribution are 30 -34, 35 - 39, …, 50 - 54. The lower boundary of the class 35 - 39 is :
30.5
35
34.5
39
Statistics
1 Like
Answer
Gap between the classes = 35 - 34 = 1
Adjustment factor = = 0.5
New class boundaries :
29.5 - 34.5, 34.5 - 39.5, …, 49.5 - 54.5.
Thus lower limit of class 35 - 39 is 34.5
Hence, option 3 is the correct option.
Answered By
3 Likes
Related Questions
If in a grouped frequency distribution, the classes are 20 - 30, 30 - 40, 40 - 50, …, then the observation 40 is included in the class :
30 - 40
40 - 50
50 - 60
20 - 30
If in a grouped frequency distribution, the class intervals are 20 - 29, 30 - 39, 40 - 49, …., then the observation 29.4 is included in the class :
20 - 29
30 - 39
40 - 49
29 - 30
In a grouped frequency distribution, the class interval are 40 - 49, 50 - 59, …, 80 - 89. The upper boundary of the class (50 - 59) is :
59
59.5
49.5
60
If 0 - 9, 10 - 19, 20 - 29, …., are the classes of a grouped frequency distribution, then the width of each class is :
9
9.5
10
9 or 10