Arithmetic mean is
Moving average
Progressive average
Mathematical average
Positional average
The most suitable average for qualitative measurement is
Arithmetic mean
Median
Mode
Geometric mean
The sum of deviations of items from the arithmetic mean is always equal to
0
1
2
3
Average value of given variable is known as
Mean
Index number
Mid - point is calculated by using following formula :
Which average is affect most by the presence of extreme items ?
Geometric Mean
Mean should be
Rigidly defined
Simple
Based on all items
All the above
Median is also known as
Q1
Q2
Q3
Q4
In these days, meteorological forecasts are based upon
Choose the correct statement :
The sum of all observation in a series divided by the total number of observations
