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6. Compare and contrast the following forecasting methods:moving average, weighted moving average, and exponential smoothing. Illustrate a calculation for each one.

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7. What is linear regression forecasting?Illustrate a calculation for this method. When would linear regression be preferred to the methods described in question 8? How can one assess if there is a meaningful regression relationship?

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8. What are the various measures for assessing the forecast error or accuracy for the methods described in question8? Briefly describe these methods and illustrate how they are calculated. Which method do you prefer? Why?

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9. How can a firm gain a competitive advantage?Briefly discuss each of these and illustrate a company that successfully each one of these.