Question: Distinguish between the following:
a Regression coefficient and correlation coefficient.
b r = 0 and r = 0.
c The test of the true slope, the test of the intercept, and r2 = 0.
d r2 and r.
e A slope of 0.
f F and t2.
2. Describe the relationship between the two variables in the four plots.
![1998_Plots.png](https://secure.tutorsglobe.com/CMSImages/1998_Plots.png)