Develop three

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month and four

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month moving averages for the Triple A Bond time series. Which moving average does a better job of forecasting based on MSE?

$9\mathrm{.}5$

$9\mathrm{.}3$

$9\mathrm{.}4$

$9\mathrm{.}6$

$9\mathrm{.}8$

$9\mathrm{.}7$

$9\mathrm{.}8$

$10\mathrm{.}5$

$9\mathrm{.}9$

$9\mathrm{.}7$

$9\mathrm{.}6$

$9\mathrm{.}6$