Reading 11: Correlation and Regression - LOS f, (Part 2): black, revenue, between, following, class

mayanfang1

Q11. Which of the following is the CORRECT value of the correlation coefficient between aggregate revenue and advertising expenditure?

A)      0.9500.

B)      0.7780.

C)      0.6053.

Q12. Which of the following reports the CORRECT value and interpretation of the R² for this regression? The R² is:

A)   0.3947 indicating that the variability of advertising expenditure explains about 39.47% of the variability of aggregate revenue.

B)   0.6053 indicating that the variability of advertising expenditure explains about 60.53% of the variability in aggregate revenue.

C)   0.6053 indicating that the variability of aggregate revenue explains about 60.53% of the variability in advertising expenditure.

Q13. What is the y-intercept term, b₀?

A)   47.6712.

B)   34.7400.

C)   92.2840.

Q14. What is the calculated F-statistic?

A)     12.2700.

B)     0.1250.

C)     92.2840.

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