1. Warm Up
This is data on the gasoline tax (in cents per gallon) charged in various states as of July, 2016.
Make a boxplot of this data. Also list the values of the median, Q1 and Q3 and be able to identify any outliers.
State Gas Tax State Gas Tax
Alabama Maine
Alaska Michigan 33.3
Arizona Missouri 17.3
California Nevada 33.9
Florida New York 43.4
Hawaii Oregon 31.1
Idaho Texas
Iowa Washington 49.4

2. Big Mac Prices In Central and South America
This is data on the price of a Big Mac (converted back to dollars) in several South and Central American countries.
Country Price Country Price
Argentina Costa Rica 3.83
Brazil Mexico
Chile Peru
Colombia Uruguay 3.74
Calculate the mean and standard deviation for this set of data (by hand).

3. A College Statistics Professor made course material and lecture notes available on a web page. Software tracked how many times each of the 40 students accessed the website.
Calculate the 5 number summary vs. mean and std. dev. Which do you think is a better summary of the data and why?

4. Chapter 1 Review
A 2010 study found that bats will confuse a shiny metal surface with a pool of water and will attempt to drink from it. In an experiment a rough wooden plate and a shiny metal plate were placed in a room. The bats never attempted to drink from the wood. The number of times 11 different bats attempted to drink from the metal are shown below:
Make a plot of the data (you choose the type).
2) Calculate the mean and standard deviation and the 5 number summary.
3) Write at least two full sentences to summarize the data.