Measures of Dis...

Which measure of dispersion is the quickest to compute?

If all the observations are increased by $$10$$, then

Find the mean and standard deviation of the following observations:
$$X = 2, 5, 7, 8, 13$$.

The geometric mean of $$3,7,11,15,24,28,30,0$$ is

A frequency distribution having two modes is said to be ________.

Geometric mean of two observations can be calculated only if ________.

If the two observations are $$10$$ and $$0$$ then their geometric mean is ______.

Which of the measure of central tendency is not affected by extreme values?

Shoe size of most of the people in a city is $$No.7$$. Which measure of central value does it represent?

When all the observations are same, the relation between A.M., G.M and H.M is _________.