Which of the following is the best interpretation for the slope of the linear regression model? a.
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Which of the following is the best interpretation for the slope of the linear regression model?
a. The slope is the expected mean value of y when the x-variable is equal to zero.
b. The slope indicates the change in y for every unit increase in x.
c. The slope indicates the strength of the linear relationship between x and y.
d. The slope indicates the direction of the linear relationship between x and y.
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