David Holden
MAT 353 Homework 3
15/09/16
3.3 refer to GPA problem 1.19
A. Make a box plot for ACT scores
boxplot(ACTX)
I dont really see anything special about the box plot other than it seems fairly
symmetrical
B. Prepare a dot plot of residuals
dotchart
David Holden
MAT 353 Homework 2
2.13, 2.23, 2.57
1.19
Grade Point Average. The Director of admissions of a small college selected 120 students at
random from the new freshman class in a study to determine whether a students grade
point average (GPA) at th
3.3
a.
> data<read.table("https:/netfiles.umn.edu/users/nacht001/www/nachtsheim/Kutner/Chapter
%20%201%20Data%20Sets/CH01PR19.txt")
> View(data)
> boxplot(data$V2)
The data appears fairly normal, and there are no real outliers.
b.
> dotchart(data$V2)
The