3.14 Chapter 3 Review Questions

On this practice quiz, we're going to be referring to a data frame called USStates. Below is a portion of the data frame as well as definitions of the variables included in it.

       State    IQ Pres2008 Population College PhysicalActivity Smokers
1    Alabama  95.7   McCain   4.525375    24.6             70.3    24.8
2     Alaska  99.0   McCain   0.657755    29.2             79.4    24.9
3    Arizona  97.4   McCain   5.739879    30.8             75.7    20.2
4   Arkansas  97.5   McCain   2.750000    26.7             73.4    23.5
5 California  95.5    Obama  35.842038    31.1             77.2    15.2
6   Colorado 101.6    Obama   4.601821    38.0             81.2    19.8

• State Name of state
• IQ Mean IQ score of residents
• Pres2008 Which 2008 Presidential candidate won state? M=McCain or O=Obama
• Population Number of residents (in millions)
• College Percentage of residents with college degrees
• PhysicalActivity Percentage of residents who have competed in a physical activity in the past month
• Smokers Percentage of residents who smoke