Highest frequency value of a series is known as
Mean
Median
Mode
Mean deviation
Which is a demerit of median ?
Data need to be arranged in ascending or descending order
It is not affected by extreme values
It can be determined graphically
It is easy to calculate and understand
Arithmetic mean is
Moving average
Progressive average
Mathematical average
Positional average
Median is also known as
Q1
Q2
Q3
Q4
Mid - point is calculated by using following formula :
The sum of deviations of items from the arithmetic mean is always equal to
0
1
2
3
Mean should be
Rigidly defined
Simple
Based on all items
All the above
_________ is the most frequently observed data value.
Index number
Correlation
Average value of given variable is known as
The most suitable average for qualitative measurement is
Arithmetic mean
Geometric mean