Find the moving average, centered moving average and ratio to moving average

guru2009
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Find the moving average, centered moving average and Ratio to moving average.

Time PeriodQuarterSales
13125.3
24155
31117
4288.5
53103.4
64168.7
71164.9
82100.9
93108.1
104198.9
111151.7
122121.4

    • 10 years ago
    Find the moving average, centered moving average and ratio to moving average
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    • the_first_entry_in_the_moving_average_column_will_be_the_average_of_the_sales_figures.xlsx