The midpoint of the class interval is called its ________
Class interval
Upper limit
Lower limit
Class mark
A quantity which is being measured in an experiment is called a _______
Data
Variable
Variate
Range
200 - 225
175 - 200
300 - 325
100 - 125
Pictorical representation of data using symbols are called
Picture
Bar graph
Pictograph
Double bar graph
The range of the data 7, 13 , 6 , 25 , 18 , 20 , 16 is
15
16
18
19
The information collected in all cases is called
Graph
Histogram
None of these
__________ gives the number of times that a particular entry occurs.
Frequency
Raw data
A double bar graph is a
Pictorial representation of data
Display of information using bars of uniform width, their height being propotional to the respective values
Bar graph showing two sets of data simultaneously
Frequency Distribution of Daily Income of 550 workers of a factory.
From the table , which is the size of the class intervals?
325
100
25