Question: Five observations taken for two variables follow.
xi 4 6 11 3 16
yi 50 50 40 60 30
![](https://book.transtutors.com/qimg/55f5b84c-0b0e-4629-b250-2e6d875cbaa2.png)
a. Develop a scatter diagram with x on the horizontal axis.
b. What does the scatter diagram developed in part a indicate about the relationship
c. Compute and interpret the sample covariance.
d. Compute and interpret the sample correlation coefficient.