Chapter 4, Problem 13RE

a.

To determine

To write:the equation of the least square regression line

b.

To determine

To Predict: the value of $y$ whenthe $x$ value is $10$

c.

To determine

To State: the correlation between $x$ and $y$ .

d.

To determine

To State: the linear relationship weak or strong between $x$ and $y$ .