A quantity which is being measured in an experiment is called a
Data
Variable
Variate
Range
In the class interval 35 - 46 ; the lower limit is
35
46
36
45
A double bar graph is a
Pictorial representation of data
Display of information using bars of uniform width, their height being proportional to the respective values
Bar graph showing two sets of data simultaneously
None of these
In a __________,the numerical data is represented by the sectors of a circle.
Bar - graph
Pie - graph
Line - graph
What is the size of class interval 0-10?
0
1
9
10
Which of the following graph is used to represent percentage of observations?
Histogram
Pictograph
Pie chart
Frequency Polygon
Sizes of shoes are ______ variable
Discrete
Continuous
Upper limit
200 - 225
175 - 200
300 - 325
100 - 125
The difference between the maximum and minimum values of a variable is called its
Frequency
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
