The following estimated regression equation was developed relating yearly income (y in $1000s) of 30 individuals with their age (x1) and their gender (x2) (0 if male and 1 if female).
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= 30 + .7x1 + 3x2
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Also provided are SST = 1200 and SSE = 384. At the 5% level, the model
A. is significant.
B. is not significant.
C. would be significant if the sample size was larger than 30.
D. has significant individual parameters.
Answer: A
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