The answer is - a.error caused by selecting a bad sample
Answer:
4. It should be less than coefficient on str in the first regression
Step-by-step explanation:
Since the str and income are positively correlated and the coefficient on income in the second regression is positive, the coefficient on str in the second regression therefore should be less than coefficient on str in the first regression.
The answer is 9(3+x)
My work is in the attached image
Answer:
12.6 ft (3 s.f.)
Step-by-step explanation:
Please see the attached picture for full solution.
Answer:
-15 meters
Step-by-step explanation:
The tunnel of fear starts at 0 meters, goes up to 50 meters, then drops 65 meters. This expressed as an equation is:
(0+50)-65=x
50-65=x
-15=x
