Lorenz curve was first used by:
Marshal
Adam Smith
Fisher
Max Lorenz
_________ and______ are based upon deviation of values from the average.
M.D and S.D
Range and Q.D
S.D and Q.D
M D and QD
cf is used for:
Common factor
Cumulative frequency
Common value
None of above
Range is located by applying the following formula:
L - S
Q3 - Q1
L- S is the formula of calculating:
Standard deviation
Range
Coefficient of range
Mode
Semi- inter quartile range is also known as:
Mean deviation
Quartile deviation
Quartile range
Co-efficient of variation is located by applying following formula:
(S.D.)2
Median can be calculated from :
Individual series
Discrete series
Continuous series
All the above
Range is the:
Ratio of the largest to the smallest observations
Average of the largest to smallest observations
Difference between the smallest and the largest observations
Difference between the largest and the smallest observations
Q1 represents:
Lower quartile
First quartile
Both (a) and (b)
Neither (a) or (b)
