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The details of the clock sales at a supermarket for the past $6$ weeks are shown in the table below. The time series appears to be relatively stable, without trend, seasonal, or cyclical effects. The simple moving average value of $k$ is set at $2.$

For the given data, the simple moving average mean absolute deviation is $q,$

$\backslash$table$[[$Week$,\backslash$table$[[$Units$],[$sold$]]],[1,8],[,8],[2,4],[,4],[3,5],[,4],[4,6],[,5],[5,7],[,2],[6,8]]$

$0\mathrm{.}21$

$20\mathrm{.}12$

$14\mathrm{.}25$

$207\mathrm{.}13$

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