In the estimated regression equation Y = 0.78 - 1.5 X, which of the following is least accurate when interpreting the slope coefficient?
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A) |
The dependent variable increases by 1.5 units if X decreases by 1 unit. | |
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B) |
If the value of X is zero, the value of Y will be -1.5. | |
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C) |
The dependent variable declines by -1.5 units if X increases by 1 unit. | | | 
发表于 2010-4-8 11:50
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