In statistics, what is the collection of all observations or measurements on the variables called?

Which of the following best describes the term $\mathrm{response} \mathrm{variable}$ in statistics?

Which of the following is true of convenience sampling?

Given the data set: $4$, $7$, $7$, $10$, $12$, what is the median of the data?

For which of the following $\mathrm{population}\mathrm{parameters}$ is $\mathrm{sampling}$ not necessary?

Which of the following is an example of statistical quality control?

Which type of data have elements in common but do not fit into rigid rows and columns in a table?

Which of the following statements is true about the interquartile range $\mathrm{IQR}$?

In introductory statistics software, what does using the $\mathrm{stats}$ command with a $\mathrm{by}$ clause typically accomplish?