#13

Using the data below, calculate the squared error for the 4th week. Use the 2 period moving average to create the forecast.

Week	Time Series Value
1	10.00
2	21.00
3	14.00
4	13.00

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Answer format: Number: Round to: 1 decimal places.

#14

Using the data below, calculate the bias based on using the nave forecast method.

Week	Time Series Value
1	15.00
2	6.00
3	16.00
4	6.00

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Answer format: Number: Round to: 1 decimal places.

#15

Using the data below and the SES forecast =0.3 , what is the error for the 3rd week?

Week	Time Series Value
1	22.00
2	24.00
3	21.00
4	6.00

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Answer format: Number: Round to: 1 decimal places.

#16

Using the data below, what is the value of MAD?

Week	Time Series Value	Forecast
1	6	2.00
2	5	7.00
3	4	4.00
4	7	4.00

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Answer format: Number: Round to: 2 decimal places.

#17

Using the data below, what is the simple exponential smoothing forecast for the 4th week where =0.4?

Week	Time Series Value
1	6.00
2	4.00
3	6.00
4	6.00

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Answer format: Number: Round to: 1 decimal places.