cf is used for:
Common factor
Cumulative frequency
Common value
None of above
For standard deviation, the relative measure is called
Mean deviation
Coefficient deviation
Arithmetic mean
Median
Semi- inter quartile range is also known as:
Standard deviation
Quartile deviation
Quartile range
is used to calculate:
Decile
Octile
Quartile
Percentile
Middle value of series is known as:
Average
Highest frequency
Mode
Q3 can be calculated from:
M.D. represents:
Median deviation
Marginal deviation
Mean
Co-efficient of quartile deviation is calculated by applying following formula:
Q3 - Q1
Q1 represents:
Lower quartile
First quartile
Both (a) and (b)
Neither (a) or (b)
L- S is the formula of calculating:
Range
Coefficient of range
