• Pizza pricesDownload .TXT file Open in Data Desk ?Link
  • Methods: Boxplots, Summarizing Quantitative Data, Correlation, Data Display, Regression, Displaying Quantitative Data, Scatterplot
  • Source: From Norean Sharpe personal communication
  • Number of Cases: 156
  • Story:

    Sales volume and price of a slice of plain pizza ($) in Baltimore, Dallas, Chicago, and Denver for 156 weeks. How are prices and sales volumes related? Are patterns the same across cities?


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