The Economist Is a Weekly Newspaper That Focuses on International $\$ 3.41$

question 17

Essay

The Economist is a weekly newspaper that focuses on international politics, business news, and opinion. Each year the "Big Mac Index," the price (\$ U. S.) of a Big Mac in countries around the world, is published as a light-hearted way of comparing currencies. The values for 19 countries are displayed at right. ( $\$ 3.41$ was the U.S. price at publication in the summer of 2007.)
$\begin{array} { | l | l | } \hline { \text { BMI } } \\\text { (USD) } \\\hline 3.41 & 1.68 \\2.67 & 4.17 \\2.95 & 1.54 \\3.61 & 2.29 \\4.01 & 1.60 \\3.68 & 2.69 \\1.45 & 2.51 \\2.51 & 2.03 \\3.53 & 2.59 \\5.08 & \\\hline\end{array}$

(a) Construct a box plot for these data
(b) Would you say this distribution is skewed or approximately symmetric? Justify your response using appropriate statistical terminology.

---

Definitions:

Density

A physical property defined as the mass of a substance per unit volume.

Volume

How much room an object or matter fills.

Mass

A quantification of the matter contained within an object, usually expressed in kilograms or grams.

Density

A measure of mass per unit volume of a substance, indicating how compact the substance is.