Mean should be
Rigidly defined
Simple
Based on all items
All the above
_________ is the most frequently observed data value.
Index number
Correlation
Mean
Mode
Grouping of frequencies is a process of calculating
Which average is affect most by the presence of extreme items ?
Median
Arithmetic mean
Geometric Mean
Median is also known as
Q1
Q2
Q3
Q4
In these days ,meteorological forecasts are based upon :
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
The most suitable average for qualitative measurement is
Geometric mean
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 .
Highest frequency value of a series is known as
Mean deviation