In R: GPA dataset (GPA.RData Download GPA.RData)

studentnum = student ID number

cgpa = the student's first-year college GPA

sex = sex of the individual (1 = female, 2 = male)

major = student's college major (0 = math, 1 = biology)

hsgpa = the student's GPA in high school

service = whether or not the student actively volunteers (0 = yes, 1 = no)

act = student's ACT score

Questions: Answer the hypotheses listed. Make sure to use the appropriate statistical test (correlation, ANOVA (+Tukey if needed), chi-square) based on the variable types (qualitative/quantitative).

1. Is high school GPA a good predictor of 1st year college GPA?

2. Is the student's college GPA related to the major they select?

3. Is the student's ACT score related to their college GPA?

4. Is there a relationship between individual's major and whether they volunteer?