Question

Question 1

a) For the data in Homework 2, Question 1

Size (Xi)	12	15	18	21	24	27
Price (Yi)	60	85	75	105	120	110

a) calculate the ANOVA table. Use the ANOVA Table to conduct an F-Test to see if the model is significant (use α = 0.05)

b) Give a 95% confidence interval for the mean sale price for 2000 sq. ft. houses.

c) Give a 95% prediction interval for the sale price of an individual 2000 sq. ft. house.

d) For the data in Homework 2, Question 2 calculate the ANOVA table for the data. Use the ANOVA Table to conduct an F-Test to see if the model is significant (use α = 0.05) (data provided below)

dollars	satisfaction
11	6
18	8
17	10
15	4
9	9
5	6
12	3
19	5
22	2
25	10

Thank you so much! Just want to check my answers.

Answer 1

Q1.

a.

Value of F statistic=16.28846, p-value=0.0157<0.05.

So the model is significant.

b.

d.

From ANOVA table we see that value of F statistic=0.047027, p-value=0.8337>0.05.

Hence the model is insignificant.