Chapter 25, Problem 60E

a.

To determine

Explain the reason for linear regression is appropriate with these data.

b.

To determine

Test on appropriate hypothesis for checking there is significant association between the size of home and its assessed value and state the conclusion.

c.

To determine

Find the percentage of the variability in assessed values is explained by the regression.

d.

To determine

Give the 90% confidence interval for the slope of the true regression line.

Explain the meaning in the proper context.

e.

To determine

Explain whether adding a room to house will increase its assessed value or not.

f.

To determine

Explain whether the claim $70,200 assessed value is too high is agree or not.