What is the coefficient of determination, Basic Statistics

Assignment Help:

The data in the table below are the results of a random sample of recent home sales in your neighborhood that your boss has asked you to use to estimate the relationship between the selling price of the house and the number of square feet in it.

Observation Number

Sale Price     (in thousands)

Square Feet (in hundreds)

1

280

20.3

2

328

30.0

3

281

21.5

4

293

25.4

5

263

14.5

6

291

22.3

7

320

31.0

8

256

37.2

9

311

27.1

10

352

30.2

11

288

21.2

12

356

37.2

13

293

23.0

14

272

26.7

15

308

26.5


a. First plot the data, with number of square feet on the "X" axis and the price of the house on the "Y" axis. Explain why housing price is the dependent variable and square feet is the independent variable.

b. What is the estimated regression line?  What does the coefficient of square feet represent?

c. Is the sample size large enough for the estimated coefficient of square feet to be statistically significant at the 5% level?

d. What is the coefficient of determination (R2)?

e. Perform an F-test, again at the 5% level.


Related Discussions:- What is the coefficient of determination

Inventory, An audit of the accounting records of Loch Ness Ltd. for the yea...

An audit of the accounting records of Loch Ness Ltd. for the year ending 30 June 2012 discovered that the ending inventory balance was over-valued by $35,000. Upon further investig

Calculate the monopoly profits and probability , Each firm in a competitive...

Each firm in a competitive research industry can undertake one project at a constant cost, f = $960 to try and develop a certain new product. The inverse demand curve for the new

Increasing the magnetic field inside a coil, Someone tries to increase the ...

Someone tries to increase the magnetic field inside a coil by adding more turns to the coil. Where should he add more turns: to the end of the coil (i.e., to make it longer) or to

Accounting, How does skewness affect different areas of accounting?

How does skewness affect different areas of accounting?

Index numbers, What are the advantages and disadvantages of index numbers

What are the advantages and disadvantages of index numbers

Vital statistics, what are the methods of measuring mortality and fertility...

what are the methods of measuring mortality and fertility rates?

conversion process from gaap to ifrs, When do you think the conversion pro...

When do you think the conversion process should start? Manager 1 : The conversion process from GAAP to IFRS will be a big challenge. There are a lot of differences between the

Association of Attributes, In an examination 600 candidates appeared, boys ...

In an examination 600 candidates appeared, boys outnumbered girls by 16% of all candidates. number of passed candidates exceeded the number of failed candidates by 310. Boys failin

Quantitative analysis, How has quantitative analysis changed the current sc...

How has quantitative analysis changed the current scenario in the management world today?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd