Computing the 1-sample t-test statistic from randomly-drawn hypothesized mean, sample size, and empirical mean and variance. The correct answer has to be selected from five choice items which have been added to the numeric version of the exercise linked above.
Verbatim R input/output:
(Note that the HTML output contains mathematical equations in MathML. It is displayed by browsers with MathML support like Firefox or Safari – but not Chrome.)
library("exams") set.seed(1090) exams2html("tstat2.Rnw") set.seed(1090) exams2pdf("tstat2.Rnw") set.seed(1090) exams2html("tstat2.Rmd") set.seed(1090) exams2pdf("tstat2.Rmd")