relfreq: Interpretation of Relative Frequency Tables

Exercise template for assessing the interpretation of a table with relative frequencies where either total, row, or column frequencies are selected randomly.

Name:
relfreq
Type:
Description:
A 4x2 table of relative frequencies needs to be interpreted by checking five multiple-choice items which all may either be true or false. Two tables are provided: the original absolute frequencies and one table of relative frequencies which randomly represents either total, or row, or column frequencies Each of the five items is also randomly selected from one of several possible variations.
Solution feedback:
Yes
Randomization:
Random numbers, text blocks, and R output
Mathematical notation:
No
Verbatim R input/output:
Yes
Images:
No
Other supplements:
No
Raw: (1 random version)
PDF:
relfreq-Rnw-pdf
relfreq-Rmd-pdf
HTML:
relfreq-Rnw-html
relfreq-Rmd-html

Demo code:

library("exams")

set.seed(1090)
exams2html("relfreq.Rnw")
set.seed(1090)
exams2pdf("relfreq.Rnw")

set.seed(1090)
exams2html("relfreq.Rmd")
set.seed(1090)
exams2pdf("relfreq.Rmd")