Use OM$$ Explorer's Time Series Forecasting Solver to evaluate the following forecasting methods. Start error measurement in the fifth$$ week, so all methods are evaluated over the same time interval. Use the default settings for initial forecasts.

Part $2$

$($i$)$ Naive$(1-$Period Moving$$ Average$).$

The CFE$($or mean$$ bias$)$ is

$$

negative $7\mathrm{.}00.($Enter your response rounded to two decimal$$ places.$)$

Part $3$

The MAD is

$$

$7\mathrm{.}92.($Enter your response rounded to two decimal$$ places.$)$

Part $4$

The MSE is

$$

$94\mathrm{.}40.($Enter your response rounded to two decimal$$ places.$)$

Part $5$

The MAPE is

$$

$6\mathrm{.}43\%.($Enter your response rounded to two decimal$$ places.$)$

Part $6$

$($ii$)3-$Period Moving Average.

The CFE is

$$

negative $29\mathrm{.}33.($Enter your response rounded to two decimal$$ places.$)$

Part $7$

The MAD is

$$

$6\mathrm{.}61.($Enter your response rounded to two decimal$$ places.$)$

Part $8$

The MSE is

$$

$62\mathrm{.}35.($Enter your response rounded to two decimal$$ places.$)$

Part $9$

The MAPE is

$$

$5\mathrm{.}49\%.($Enter your response rounded to two decimal$$ places.$)$

Part $10$

$($iii$)$ Exponential$$ smoothing, with alphaequals$0\mathrm{.}26.$

The CFE is

$$

negative $67\mathrm{.}68.($Enter your response rounded to two decimal$$ places.$)$

Part $11$

The MAD is

$$

$6\mathrm{.}39.($Enter your response rounded to two decimal$$ places.$)$