16. Camp sites. Shown below are the histogram and sum- mary statistics For the number of camp sites at public parks in Vermont. a) Which statistics would you use to identify the center and spread of this distribution? Why? b) How many parks would you classify as outliers? Explain. c) Create a boxplot for these data. (:1) Write a few sentences describing the distribution. 0 50 100 150 200 250 it of SitesIPark 20. Gas prices. Here are boxplots of weekly gas prices at a service station in the Midwest United States (prices in $ per gallon). 2.00 1 .75 1.50 E E 3.1 1 2002 Price {5} 1 .25 2003 2004 Year a) Compare the distribution of prices over the three years. b) In which year were the prices least stable? Explain. U ' ' U 1- I 24. Ozone. Ozone levels (in parts per billion, ppb) were recorded at sites in New Jersey monthly between 1926 and 1971. Here are boxplots of the data for each month (over the 46 years) lined up in order (January = 1). 123456789101112 a) In what month was the highest ozone level ever recorded? b) Which month has the largest IQR? c) Which month has the smallest range? d) Write a brief comparison of the ozone levels in January and June. e) Write a report on the annual patterns you see in the ozone levels