96 Consider the model where x1 is a quantitative variable and The resulting least squares prediction equation
Question:
96 Consider the model
where x1 is a quantitative variable and
The resulting least squares prediction equation is
a. What is the equation of the response curve for E ( y )
when x2 = 0 and x3 = 0? When x2 = 1 and x3 = 0?
When x2 = 0 and x3 = 1?
b. On the same graph, plot the least squares prediction equation associated with level 1, level 2, and level 3.
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