satGPA: SAT and GPA data

Description Usage Format Source References Examples

Description

SAT and GPA data for 1000 students at an unnamed college.

Usage

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Format

A data frame with 1000 observations on the following 6 variables.

sex

Gender of the student.

SATV

Verbal SAT percentile.

SATM

Math SAT percentile.

SATSum

Total of verbal and math SAT percentiles.

HSGPA

High school grade point average.

FYGPA

First year (college) grade point average.

Source

Educational Testing Service originally collected the data.

References

Data retrieved from

https://www.dartmouth.edu/~chance/course/Syllabi/Princeton96/Class12.html

Data utilized in Chapter 7 of the Open Intro Statistics book: http://www.openintro.org/

Examples

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data(satGPA)

par(mfrow=2:1)

plot(satGPA$SATSum/2, satGPA$FYGPA)
g <- lm(satGPA$FYGPA ~ I(satGPA$SATSum/2))
summary(g)
abline(g)

plot(satGPA$SATM, satGPA$FYGPA)
g <- lm(satGPA$FYGPA ~ satGPA$SATM)
summary(g)
abline(g)

JECheadle/RSOC317L documentation built on May 15, 2019, 4:02 a.m.