Specify the default settings for boxplots

Tools > Options > Individual Graphs > Boxplots

Specify the default interquartile range box end points and width, and whisker display on a boxplot. The changes you make to the defaults remain until you change them again, even after you exit Minitab.
Interquartile Range Box Endpoints
  • Quartiles: Use the 1st quartile (25th percentile) for the box bottom and the 3rd quartile (75th percentile) for the box top.
  • Hinges: Use hinges for the box bottom and top.
  • Percentile: Use percentiles for the box bottom and top. Enter a number between 0 and 50 for the percentile.
Whiskers
  • None: Don't display whiskers.
  • Show: Display whiskers.
Box width proportional to sample size
Make the width of each box proportional to the square root of the number of observations in the box.
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