### The level of economic activity in a region

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##### Reference no: EM131064122

The level of economic activity in a region has been recorded over a period of four years as presented below.

a. Construct a graph for this data.

b. Find a centred four-point moving-average trend and place it on your graph.

c. Calculate the corresponding additive seasonal components.

d. Use your results to predict the level of economic activity for year five.

e. Would you have any reservations about using this model?

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