The linear regression equation, Y = a + bX, was estimated. The following computer printout was obtained: 
Given the above information, the parameter estimate of b indicates
A. a 10-unit decrease in X results in a 213.6 unit increase in Y.
B. X increases by 8.03 units when Y increases by one unit.
C. X decreases by 21.36 units when Y increases by one unit.
D. Y decreases by 2.66 units when X increases by one unit.
Answer: A
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