23.11 Quick review questions

  1. True or false: For paired data, the mean of the differences is treated like the mean of a single variable.
  2. True or false: The appropriate graph for displaying paired data is often a histogram of the differences.
  3. True or false: The population mean difference is denoted by \(\mu_d\).
  4. True or false: The standard error of the sample mean difference is denoted by \(s_d\).