Range is located by applying the following formula:
L - S
Q3 - Q1
Middle value of series is known as:
Average
Median
Highest frequency
Mode
Mean deviation can be calculated with the help of following formula:
which of the following statement is NOT true
Range is the easiest and simplest measure because it is the difference between two extreme items.
Quartile deviation is superior to the range as it is not affected too much by the value of extreme items.
Range and quartile deviation are based on all the items of series.
Range and quartile deviation are useful for general study of variability.
______________ is not independent of scale.
Mean deviation
Standard deviation
Quartile deviation
Co-efficient of variation is located by applying following formula:
(S.D.)2
Semi- inter quartile range is also known as:
Quartile range
L- S is the formula of calculating:
Range
Coefficient of range
is used to calculate:
Decile
Octile
Quartile
Percentile
Q1 represents:
Lower quartile
Central quartile
Both (a) and (b)
Neither (a) or (b)
