1.67 Are there outliers in the double stout data? Refer to the previous two exercises.

  1. (a) Find the IQR for these data.

  2. (b) Use the 1.5 × IQR rule to identify and name any outliers.

  3. (c) Make a boxplot for these data and describe the distribution using only the information in the boxplot.

  4. (d) Make a modified boxplot for these data and describe the distribution using only the information in the boxplot.

  5. (e) Make a stemplot for these data.

  6. (f) Compare the boxplot, the modified boxplot, and the stemplot. Evaluate the advantages and disadvantages of each graphical summary for describing the distribution of the double stout data.