Quartiles Violent crimes include rape, robbery, assault, and homicide. The following is a summary of the violent-crime rate (violent crimes per 100,000 population) for all states of a country in a certain year.

Q₁ = 272.8 Q₂ = 387.9 Q₃ = 528.3

(a) Provide an interpretation of these results.

(b) Determine and interpret the interquartile range.

(c) The violent-crime rate in a certain state of the country in that year was 1,459. Would this be an outlier?

(d) Do you believe that the distribution of violent-crime rates is skewed or symmetric?