Austin Clark, CFA, has been asked to analyze White Goods Corporation, a $9 billion company that owns a nationwide chain of stores selling appliances and other electronic goods. As part of his analysis of the White Goods Corporation, Clark's supervisor, David Horvath, asks Clark to forecast White Goods' 2009 sales using multiple regression analysis. The following model was developed:
sales = 20.1 + 0.001 GDP+ 1,000.6 TR + 0.1 CC -3.2 PC -40.3 UR t-values: (1.1) (2.3) (1.75) (3.2) (-0.48) (-0.9)
Number of observations: 76
Standard error estimate: 15.67
Unadjusted R2: 0.96
Regression sum of squares: 412,522 Error sum of squares: 17,188
Independent Variable Descriptions
GDP = gross domestic product
TR = average coupon rate on 5-year U.S. Treasury securities
CC = most recent quarter end consumer confidence index value
PC = previous year's sales of personal computers UR = most recent quarter end unemployment rate
Variable Estimates for 2009
GDP =8,000
TR = 0.05
CC =97
PC = 60,000
UR = 0.055
Critical Values For Student's t-Distribution

Clark's supervisor asks him to prepare a report explaining the implications of the regression analysis results. Clark writes the following conclusions concerning regression analysis in his report:
Interpreting the results of regression analysis can be problematic if certain assumptions of the ordinary least squares framework are violated. The regression output for White Goods Corporation is unreliable for the following reasons:
Finding 1: The correlation between regression errors across time is very close to 1.
Finding 2: There is a strong relationship between the regression error variance and the regression independent variables.
Is the regression coefficient of the 5-year U.S. Treasury interest rate statistically significantly different from zero at the 10% level of significance?
Select an option, then click Submit answer.
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Yes, because 1.75 > 1.29.
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Yes, because 1.75 > 1.67.
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No, because 1.75 < 1.99.
At Sentry's request, Larson will evaluate the investment in Riviera Terrace over a 5-year horizon using selling prices of $45,000,000 and S60,000,000.


