Every year, Consumer Reports publishes a magazine titled New Car Ratings and Review that looks at vehicle profiles for the year’s models. It lets you see in one place how, within each category, the vehicles compare. One category of interest, especially when fuel prices are rising, is fuel economy, measured in miles per gallon (mpg). Following is a list of overall mpg for 14 different full-sized and compact pickups.
Answer to relevant QuestionsIn the article “Router Roundup” (Popular Mechanics, Vol. 180, No. 12, pp. 104–109), T. Klenck reported on tests of seven fixed-base routers for performance, features, and handling. The following table gives the ...From the Recording Industry Association of AmericaWeb site, we obtained data on the number of albums sold, in millions, for the top recording artists (U.S. sales only) as of November 6, 2008. Those data are provided on the ...In Exercise 3.54 on page 101, we discussed outliers, or observations that fall well outside the overall pattern of the data. The following table contains two data sets. Data Set II was obtained by removing the outliers from ...Regarding z-scores: a. How is a z-score obtained? b. What is the interpretation of a z-score? c. An observation has a z-score of 2.9. Roughly speaking, what is the relative standing of the observation? From the Fatality Analysis Reporting System (FARS) of the National Highway Traffic Safety Administration, we obtained data on the numbers of traffic fatalities in Wisconsin and New Mexico for the years 1982-2003. Use the ...
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