• OzoneDownload .TXT file Open in Data Desk ?Link
  • Methods: Boxplots, Displaying Quantitative Data, Regression, Summarizing Quantitative Data
  • Source: Cleveland W. Kleiner B. Mc Rae J. Warner J. "The Analysis of Ground-level ozone data from New Jersey, New York, Connecticut, and Massachusetts: Data quality Assessment and Temporal and Geographical Properties"
  • Number of Cases: 546
  • Story:

    Ozone levels (in parts per billion, ppb) were recorded at
    sites in New Jersey monthly between 1926 and 1971. Here are
    boxplots of the data for each month (over the 46 years), lined
    up in order (January = 1):


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