Compute the 3-year moving average for annual attendance at a county fair from the following attendance numbers, and explain what the numbers tell you, how it is calculated, and what its significance is to the county fair authority. The county fair operates to promote the county’s arts and crafts and business communities. The attendance data is used to plan for venues, parking, and seasonal hiring for the fair.
Year
Attendance
2005 5,761
2006 6,148
2007 6,783
2008 7,445
2009 7,405
2010 11,405
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