Mean should be
Rigidly defined
Simple
Based on all items
All the above
In these days ,meteorological forecasts are based upon :
Mode
Index number
Median
Mean
Choose the correct statement :
The sum of all observation in a series divided by the total number of observations
Median is also known as
Q1
Q2
Q3
Q4
The most suitable average for qualitative measurement is
Arithmetic mean
Geometric mean
Arithmetic mean is
Moving average
Progressive average
Mathematical average
Positional average
Mid - point is calculated by using following formula :
Which average is affect most by the presence of extreme items ?
Geometric Mean
Grouping of frequencies is a process of calculating
Correlation