Consider the following pairs of measurements:
x
|
5
|
8
|
3
|
4
|
9
|
y
|
6.2
|
3.4
|
7.5
|
8.1
|
3.2
|
a. Construct a scatter diagram for the data.
b. Use the method of least squares to model the relationship between x and y.
c. Calculate SSE, s2, and s.
d. What percentage of the observed y-values falls within 2s of the values of Predicted by the least squares model?