Which is not a merit of arithmetic mean ?
It is simpler to understand and easy to calculate .
It is affected by extreme items.
It is good base for comparison
It is a calculate value
Average value of given variable is known as
Mean
Median
Mode
Index number
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
The most suitable average for qualitative measurement is
Arithmetic mean
Geometric mean
Arithmetic mean is
Moving average
Progressive average
Mathematical average
Positional average
_________ is the most frequently observed data value.
Correlation
For calculating Q1 and Q3 , the values
Need not to be arranged
Must be arranged in ascending order only
Must be arranged in descending order only
May be arranged either in ascending order or descending order .
Highest frequency value of a series is known as
Mean deviation
Which average is affected most by the presence of extreme items ?
The ______ is the middle element when the data set is arranged in order of the magnitude.
