The Elm Street Kids' Club decides to sell lemonade to earn money to fix up their clubhouse and they use a graph to keep track of their sales.

Rhyming text provides an introduction to statistics, including how to collect statistics, methods of displaying statistics, and using mean, median, and mode to analyze the data.

"Born in Scotland more than 250 years ago, William Playfair was a dreamer who saw the world differently from other people. Unfortunately, this difference sometimes got in the way of his success. Early on, as he attempted to apply his unique perspective to a series of career opportunities in order to gain riches! fame! glory! he instead suffered one failure after another. Then, while writing a book about economics, Will's innovative vision inspired...