January 2017
Beginner
882 pages
203h 41m
English
5. True
7. False, in general. The pattern could be in a negative direction.
9. True
11. False. The pattern would be linear, with y ≈ 0.1x, where y denotes revenue and x denotes gross sales.
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.
15. True
17. False. The correlation between x and y is the same as the correlation between y and x.
19. True