Measures of Dis...

The correct relation between variance and standard deviation (S.D) of a variable X is _______.

In a moderately skewed distribution the arithmetic mean is $$10$$ units and the mode is $$7$$ units, the median is ______.

Which of the following is a unit less measure of dispersion?

Which one of the given measures of dispersion is considered best?

The quartile deviation from the following observations is 
$$10, 18, 20, 28, 15, 17, 22, 25, 29, 32, 34$$

From which average sum of deviations is zero?

The range from the following observations is 
$$10, 18, 20, 28, 15, 17, 22, 25, 29, 32, 34$$

The co-efficient of range from the following observations is 
$$10, 18, 20, 28, 15, 17, 22, 25, 29, 32, 34$$

Which measure of dispersion is most affected by extreme values?

Mean deviation is minimum when deviations are taken from ______.