08 - Five number summary

What is the five number summary of a distribution?

Practice

Chapter 4 # 14, Read pages 56-68

Vocabulary

quartiles, box-and-whisker plot, interquartile range, upper fence, lower fence, standard deviation, variance

Study Questions

  1. Median and IQR resist the effects of outliers while mean and standard deviation do not. Explain.
  2. What is our rule of thumb for classifying outliers using box plots?
  3. How does skewness display itself on box plots vs. histograms?
  4. What would be the benefit of doing side-by-side box plot and histogram for the same data set?

Resources

  1. Slide Deck: 08-Five-number-summary.pdf