The most suitable average for qualitative measurement is
Arithmetic mean
Median
Mode
Geometric mean
Arithmetic mean is
Moving average
Progressive average
Mathematical average
Positional average
Highest frequency value of a series is known as
Mean
Mean deviation
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 .
Mean should be
Rigidly defined
Simple
Based on all items
All the above
Mid - point is calculated by using following formula :
_________ is the most frequently observed data value.
Index number
Correlation
Which average is affect most by the presence of extreme items ?
Geometric Mean
In these days ,meteorological forecasts are based upon :
The sum of deviations of items from the arithmetic mean is always equal to
0
1
2
3
