For Exercise 20.13, compute the five-day moving averages, and superimpose these on the same graph. Does this
Question:
In exercise 20.13
The following daily sales figures have been recorded in a medium-size merchandising firm.
a. Compute the three-day moving averages.
b. Plot the time series and the moving averages on a graph.
c. Does there appear to be a seasonal (weekly) pattern?
Transcribed Image Text:
Week Day 3 Monday Tuesday Wednesday Thursday Friday 43 45 51 40 64 41 57 58 22 37 30 33 25 22 33 38 31 25 37 25
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a Sales 3Day moving average 5Day moving average 43 45 4345223 3667 22 4522253 3067 43452225315 ...View the full answer
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