Arithmetic mean is
Moving average
Progressive average
Mathematical average
Positional average
In these days ,meteorological forecasts are based upon :
Mode
Index number
Median
Mean
The most suitable average for qualitative measurement is
Arithmetic mean
Geometric mean
Which average is affect most by the presence of extreme items ?
Geometric Mean
Choose the correct statement :
The sum of all observation in a series divided by the total number of observations
The sum of deviations of items from the arithmetic mean is always equal to
0
1
2
3
_________ is the most frequently observed data value.
Correlation
In these days, meteorological forecasts are based upon
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 .
