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Basic Question 0 of 14

The following model was fitted to a sample of supermarkets to explain profit levels:

Y-hatt = 132.3 + 0.031 X1t + 0.089 X2t + et

where
Y-hatt = profits in thousands of dollars
X1t = food sales in tens of thousands of dollars.
X2t = nonfood sales in tens of thousands of dollar.

For a $30,000 increase in food sales, by how much would the predicted value of the dependent variable change?

User Contributed Comments 2

User Comment
danlan2 in sales in tens of thousands, $30000 is converted to 3 in X_{1t}
cfastudypl thanks danlan2. 0.031*3 = 0.093.
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Martin Rockenfeldt

Martin Rockenfeldt

Learning Outcome Statements

evaluate practices, policies, and conduct relative to the CFA Institute Code of Ethics and Standards of Professional Conduct;

explain how the practices, policies, and conduct do or do not violate the CFA Institute Code of Ethics and Standards of Professional Conduct.

CFA® 2025 Level II Curriculum, Volume 6, Module 45.