What is the size of class interval 0-10?
0
1
9
10
The midpoint of the class interval is called its
Class interval
Upper limit
Lower limit
Class mark
Raw data is a
Collection of information in a systematic manner
Data available to us in an unorganized form
Pictorial representation of data
None of these
The graphical representation of grouped frequency distribution is called
Histogram
Bar - graph
Line - graph
If the mean of a and 1/x is M, then mean of x2 and 1/x2 is
M2
M2 /4
2M2 - 1
2M2 + 1
The information collected in all cases is called
Data
Graph
__________ gives the number of times that a particular entry occurs.
Frequency
Raw data
Pictograph
A double bar graph is a
Display of information using bars of uniform width, their height being proportional to the respective values
Bar graph showing two sets of data simultaneously
The range of the data 7, 13 , 6 , 25 , 18 , 20 , 16 is
15
16
18
19
200 - 225
175 - 200
300 - 325
100 - 125
