Choose the correct statement/ equations
The sum of all observation in a series divided by the total number of observations
Mid - point is calculated by using following formula :
Mean should be
Rigidly defined
Simple
Based on all items
All the above
Average value of given variable is known as
Mean
Median
Mode
Index number
In these days ,meteorological forecasts are based upon :
_________ is the most frequently observed data value.
Correlation
Arithmetic mean is
Moving average
Progressive average
Mathematical average
Positional average
The ______ is the middle element when the data set is arranged in order of the magnitude.
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
Highest frequency value of a series is known as
Mean deviation