91 17800 A) Can you identify holiday periods or special events that cause the sp
ID: 2883884 • Letter: 9
Question
91
17800
A) Can you identify holiday periods or special events that cause the spikes in the data? B) What holiday results in the maximum sales for this department?
The data is for weekly sales in the dry goods department at a Wal*Mart store in the Northeast. Peak values, I.e. spikes, usually occur at holiday periods. Week 1 is the first week of February 2003. To show continuity, week 1 of 2004 is represented as week 53 since week 53 represents the start of the 2004 fiscal year. Dollar values are adjusted in order to disguise true sales figures, but trends in the data are retained for analysis purposes. Note that for 2002-2003 data, Wal*Mart used 53 weeks for their fiscal year data. Dry Goods Sales vs. Weeks 2003-2004 25000 20000 15000 10000 5000 40 44 48 52 56 60 64 68 72 76 80 84 88 92 96 WeekExplanation / Answer
Holiday periods :
these happen over
weeks 52 to 56
weeks 64 to 74
weeks 88 to 92
-------------------------------------------------------------
The holiday over weeks 64 to 74 results in maximum sales
for the department
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