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.
Random numbers, text blocks, and R output
Verbatim R input/output:
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")