# Fair-Share-Analysis by huanghengdong

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```									Fair Share Analysis

Multivariate Solutions
Fair Share Analysis

• Step 1
– Compute Individual Mean= Individual’s Mean of all Some Store
Attributes Rated
– Grand Mean = Mean of All Individual Attribute Means

• Step 2
– Difference Score = Aggregate Attribute Mean - Grand Mean

• Step 3
– Sort Results from High to Low, Round, and Magnify by a Factor of
Ten
Fair Share Analysis--Conclusions
• Result is Either Positive or Negative According to its
Position Relative to the Grand Mean.
• Slope of the Line Indicates Magnitude of Some Store
Performance (Either Positive or Negative)
• Provides a Clear means of Understanding How Some
Store is Perceived in Each Market
Grand Mean

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