8.8 Chapter 8 Review Questions

StudentSurvey is a data frame with 362 observations on the following 17 variables:

       Year Gender Smoke   Award HigherSAT Exercise TV Height Weight Siblings
1    Senior      M    No Olympic      Math       10  1     71    180        4
2 Sophomore      F   Yes Academy      Math        4  7     66    120        2
3 FirstYear      M    No   Nobel      Math       14  5     72    208        2
4    Junior      M    No   Nobel      Math        3  1     63    110        1
5 Sophomore      F    No   Nobel    Verbal        3  3     65    150        1
6 Sophomore      F    No   Nobel    Verbal        5  4     65    114        2
  BirthOrder VerbalSAT MathSAT  SAT  GPA Pulse Piercings 
1          4       540     670 1210 3.13    54         0 
2          2       520     630 1150 2.50    66         3 
3          1       550     560 1110 2.55   130         0 
4          1       490     630 1120 3.10    78         0 
5          1       720     450 1170 2.70    40         6 
6          2       600     550 1150 3.20    80         4 

• Year Year in school
• Gender Student's gender: F or M
• Smoke Smoker? No or Yes
• Award Preferred award: Academy, Nobel, Olympic
• HigherSAT Which SAT is higher? Math or Verbal
• Exercise Hours of exercise per week
• TV Hours of TV viewing per week
• Height Height (in inches)
• Weight Weight (in pounds)
• Siblings Number of siblings
• BirthOrder Birth order, 1=oldest
• VerbalSAT Verbal SAT score
• MathSAT Math SAT score
• SAT Combined Verbal + Math SAT
• GPA College grade point average
• Pulse Pulse rate (beats per minute)
• Piercings Number of body piercings