Using the data set below, what would be the forecast for period $7$ using a three period simple moving average: $($Choose the closest answer.$)(10$ pt $)$

$11883$

$17750$

$18250$

$13710$

$210$ points

Using the data set below, what would be the forecast for period $7$ using a four$-$period weighted moving average? The weights for each period are $0\mathrm{.}05,0\mathrm{.}15,0\mathrm{.}30,$ and $0\mathrm{.}50$ from

the oldest period to the most recent period, respectively. $($Choose the closest answer.$)(10$ pts $)$

Period

$1$

$2$

$3$

$4$

$5$

$6$

Actual Demand

$10000$

$12400$

$13250$

$15750$

$15220$

$18500$

$3$

$10$ points

$1$ Using the data set below, what would be the forecast for period $7$ using the exponential smoothing method? Assume the forecast for period $6$ is $16000.$ Use a smoothing

constant of $a=0\mathrm{.}4($Choose the closest answer.$)(10$ pt$)$