The graphical representation of grouped frequency distribution is called
Histogram
Bar - graph
Line - graph
None of these
200 - 225
175 - 200
300 - 325
100 - 125
Sizes of shoes are ______ variable
Discrete
Continuous
Upper limit
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
Raw data is a
Collection of information in a systematic manner
Data available to us in an unorganized form
Pictorial representation of data
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
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 difference between the maximum and minimum values of a variable is called its
Range
Variate
Frequency
The range of the data 7, 13 , 6 , 25 , 18 , 20 , 16 is
15
16
18
19
