Storks Data show that there is a positive association between the population of 17 European countries and the number of stork pairs in those countries.
a. Briefly explain what positive association means in this context.
b. Wildlife advocates want the stork population to grow, and jokingly suggest that citizens should be encouraged to have children. As a statistician, what do you think of this suggestion? Explain briefly.
Question 2
Two variables that are actually not related to each other may nonetheless have a very high correlation because they both result from some other, possibly hidden, factor. This is an example of
A) an outlier.
B) extrapolation.
C) regression.
D) leverage.
E) a lurking variable.