Which of the following variable is continuous?
Number of children in your class
Time
Sizes of shoes
Number of patients in a hospital
In the class interval 35 - 46 ; the lower limit is
35
46
36
45
The midpoint of the class interval is called its
Class interval
Upper limit
Lower limit
Class mark
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
200 - 225
175 - 200
300 - 325
Sizes of shoes are ______ variable
Discrete
Continuous
None of these
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 class mark of the class 4 - 9 is
7
6.5
6
5.5
A quantity which is being measured in an experiment is called a
Data
Variable
Variate
Range
The difference between the maximum and minimum values of a variable is called its
Frequency
