Use the data in StudentSurvey to assess the conditions for doing inference on a regression model to predict a person’s pulse rate, Pulse, from the number of hours a week spent exercising, Exercise. Explain your reasoning, using each of the three relevant graphs.

Data in StudentSurvey

Data on 362 introductory statistics students from an in-class survey given over several years. All values are self-reported.
Year ..............Year in school: FirstYear, Sophomore, Junior, or Senior
Gender .........Student’s gender: F or M
Smoke ..........Smoker? No or Yes
Award ...........Preferred award: Academy, Nobel, or 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, 2 = second oldest, etc.
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