# Question: Refer to exercise 14 26 a Plot the dollar pound exchange rate

Refer to exercise 14.26.

(a) Plot the dollar/pound exchange rate data. Make the graph nice, then copy and paste it so you have four copies.

(b) Use MegaStat or MINITAB to perform a simple exponential smoothing using α = .05, .10, .20, and .50, using a different line chart for each.

(c) Which value of do you prefer? Why?

(d) Is an exponential smoothing process appropriate for this kind of data?

(a) Plot the dollar/pound exchange rate data. Make the graph nice, then copy and paste it so you have four copies.

(b) Use MegaStat or MINITAB to perform a simple exponential smoothing using α = .05, .10, .20, and .50, using a different line chart for each.

(c) Which value of do you prefer? Why?

(d) Is an exponential smoothing process appropriate for this kind of data?

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