The Five-Number Summary for the Fuel Economy (In Miles Per

Essay

The five-number summary for the fuel economy (in miles per gallon) of year 2011 midsize
cars is: $$\begin{array} { | c | c | c | c | c | } \hline \text { Min } & \text { Q1 } & \text { Median } & \text { Q3 } & \text { Max } \\\hline 13 & 21 & 23 & 26 & 50 \\\hline\end{array}$$
a. Would you expect the mean gas mileage of all midsize cars to be higher or lower than
the median? Explain.
b. One model of Volkswagon gets 34 mpg, one model of Toyota gets 28 mpg, and one
model of Bentley gets 13 mpg. Are any of these cars outliers (according to the original
statistics above)? Explain.