Statistics for Business: Decision Making and Analysis, 3rd Edition

True/False

1. 5. True

2. 7. False, in general. The pattern could be in a negative direction.

3. 9. True

4. 11. False. The pattern would be linear, with y ≈ 0.1x, where y denotes revenue and x denotes gross sales.

5. 13. False. The value of the stock would fall along with the economy. We'd rather have one that was negatively related to the overall economy.

6. 15. True

7. 17. False. The correlation between x and y is the same as the correlation between y and x.

8. 19. True