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i. Multiple regression is used when two or more independent variables are used to predict a value
Of a single dependent variable.
ii. The values of b1, b2 and b3 in a multiple regression equation are called the net regression
Coefficients. They indicate the change in the predicted value for a unit change in one X when the
Other X variables are held constant.
iii. Autocorrelation often happens when data has been collected over periods of time.
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