scatterplot: Interpretation of a Scatterplot

Exercise template for assessing the interpretation of a randomly-generated scatterplot regarding the joint and marginal distributions.

Name:
scatterplot
Type:
mchoice
Description:
Scatterplot in an (x, y) regression setup needs to be interpreted regarding location/spread of the marginal distributions, the correlation in the joint distribution, and the corresponding regression slope. Data are drawn randomly from a suitable data-generating process so that each multiple-choice item is either about correct or clearly wrong.
Solution feedback:
Yes
Randomization:
Random numbers, text blocks, and graphics
Mathematical notation:
No
Verbatim R input/output:
No
Images:
Yes
Other supplements:
No
Template:
scatterplot.Rmd
scatterplot.Rnw
Raw: (1 random version)
scatterplot.md
scatterplot.tex
PDF:
scatterplot-Rmd-pdf
scatterplot-Rnw-pdf
HTML:
scatterplot-Rmd-html
scatterplot-Rnw-html

Demo code:

library("exams")

set.seed(403)
exams2html("scatterplot.Rmd")
set.seed(403)
exams2pdf("scatterplot.Rmd")

set.seed(403)
exams2html("scatterplot.Rnw")
set.seed(403)
exams2pdf("scatterplot.Rnw")

TEMPLATES
mchoice multiple-choice scatterplot regression visualization statistics