1. Which measure of variability is most appropriate for a distribution in which the best measure of central tendency is the median? a. Range b. Interquartile range c. Standard deviation d. Either (a)...

1. Which measure of variability is most appropriate for a distribution in which the best measure of central tendency is the median?

a. Range

b. Interquartile range

c. Standard deviation

d. Either (a) or (b)

2. Degrees of freedom are used in calculating the standard deviation for a population.

a. True

b. False