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##### Aloha, You are consulting for a large real estate firm. You have-(Answered)

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Aloha,

You are consulting for a large real estate firm.? You have been asked to construct a model that can predict listing prices based on square footages for homes in the city you?ve been researching.? You have data on square footages and listing prices for 100 homes.?

Real Estate Regression Exercise

QNT/351 Version 5

1

University of Phoenix Material

Real Estate Regression Exercise

Directions: Use the real estate data you used for your Week 2 learning team assignment. Analyze the data and explain your answers.

You are consulting for a large real estate firm. You have been asked to construct a model that can predict

listing prices based on square footages for homes in the city you?ve been researching. You have data on

square footages and listing prices for 100 homes.

1.

Which variable is the independent variable (x) and which is the dependent variable (y)?

2. Click on any cell. Click on Insert?Scatter?Scatter with markers (upper left).

To add a trendline, click Tools?Layout?Trendline?Linear Trendline

Does the scatterplot indicate observable correlation? If so, does it seem to be strong or weak?

In what direction?

1

Click on Data?Data Analysis?Regression?OK. Highlight your data (including your two headings) and input the correct columns into Input Y Range and Input X Range, respectively. Make

sure to check the box entitled ?Labels?.

(a) What is the Coefficient of Correlation between square footage and listing price?

Why or why not?

(c) What proportion of the variation in listing price is determined by variation in the square

footage? What proportion of the variation in listing price is due to other factors?

(d) Check the coefficients in your summary output. What is the regression equation relating

square footage to listing price?

Real Estate Regression Exercise

QNT/351 Version 5

2

(e) Test the significance of the slope. What is your t-value for the slope? Do you conclude

that there is no significant relationship between the two variables or do you conclude that

there is a significant relationship between the variables?

(f) Using the regression equation that you designated in #3(d) above, what is the predicted

sales price for a house of 2100 square feet?