Question # 2Measures of Center & Variability (Answer all parts)

a)Describe thethree measures of center, with examples of each.

b) Why is the mean the most often used measure of statistics in statistics?

c) When would themode or medianbe a truer approximation of center than the mean?

d) What are the three most common measures of variability?Give an example of where knowing a measure of variability such asstandard deviation, as well as the mean, would be helpful in better understanding the distribution of scores, rather than only knowing the mean.