Calculate a six month moving average for each month

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1. The demand for a product in each of the last five months is shown below.

Month           1     2     3     4     5

Demand ('00s)  1300  1700  1900  2300  2400

 Use a two-month moving average to generate a forecast for demand in month 6. What is the naïve forecast for month 6?

2. The table below shows the demand for a new aftershave in a shop for each of the last 7 months.

Month   1  2  3  4  5  6  7

Demand  23 29 33 40 41 43 49

Calculate a two month moving average for months two to seven. What would be your forecast for the demand in month eight?

3. The table below shows the demand for a particular brand of razor in a shop for each of the last nine months.

Month   1  2  3  4  5  6  7  8  9

Demand  10 12 13 17 15 19 20 21 20

Calculate a three month moving average for months three to nine. What would be your forecast for the demand in month ten?

4. The table below shows the demand for a particular brand of fax machine in a department store in each of the last twelve months.

Month    1 2   3 4 5   6   7 8   9   10 11 12

Demand   12 15 19 23 27 30 32 33 37 41 49 58

Calculate the four month moving average for months 4 to 12. What would be your forecast for the demand in month 13?

5. The table below shows the demand for a particular brand of microwave oven in a department store in each of the last twelve months.

Month   1  2  3  4  5  6  7  8  9  10 11 12

Demand  27 31 29 30 32 34 36 35 37 39 40 42

Calculate a six month moving average for each month. What would be your forecast for the demand in month 13?

Reference no: EM133446655

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