The midpoint of the class interval is called its
Class interval
Upper limit
Lower limit
Class mark
The difference between the maximum and minimum values of a variable is called its
Range
Variate
Frequency
None of these
Frequency Distribution of Daily Income of 550 workers of a factory.
From the table I, which is the size of the class intervals?
325
100
25
100 - 125
__________ gives the number of times that a particular entry occurs.
Raw data
Histogram
Pictograph
The range of the data 7, 13 , 6 , 25 , 18 , 20 , 16 is
15
16
18
19
Which of the following graph is used to represent percentage of observations?
Pie chart
Frequency Polygon
200 - 225
175 - 200
300 - 325
In the class interval 35 - 46 ; the lower limit is
35
46
36
45
The class mark of the class 4 - 9 is
7
6.5
6
5.5
The graphical representation of grouped frequency distribution is called
Bar - graph
Line - graph
