Cover Me,Inc.sells umbrellas in three cities.Management assumes that annual rainfall is the primary determinant of umbrella sales,and it wants to generate a linear regression equation to estimate potential sales in other cities.Given the data below,what is the regression equation?
Rainfall Sales
X Y
City A 36 in.2300
City B 30 in.2000
City C 12 in.800
Correct Answer:
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