How do I create a rolling average chart, adding most recent data?

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

Would like to create a chart where new data is added weekly to a data table
and the chart graphs this newest data and drops the oldest. Everytime I add
the data to the table, the graph moves the source data reference down so that
the original data is still displayed. Thanks.
 
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