11.ch of the following is the CORRECT value of the correlation coefficient between aggregate revenue and advertising expenditure?
A) 0.9500.
B) 0.3947.
C) 0.6053.
D) 0.7780.
The correct answer was D)
The R2 = (SST - SSE)/SST = RSS/SST = (20,922.5 - 8,257.374) / 20,922.5 = 0.6053.
The correlation coefficient is the square root of the R
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