Name ...



Name __________________________________________________ Period _________

CHAPTER 6 Project – Using Zillow to Find Line of Best Fit/Write Equation of the Line

Directions: Students will enter their home address on Zillow. Using the data displayed, students will create a scatter plot showing the square footage and price for 25-30 nearby homes. Students will then derive the equation of the line so predictions can be made.

Steps to complete project:

1) Go to .

2) Enter home address.

3) Gather data on 25+ other homes in the same area. (To see square footage of a particular home, scroll over a home displayed on Zillow and double click on the price displayed).

4) Label x & y axis.

5) Use table to fill in scatter plot.

6) Draw line of best fit.

7) Predict a data point not on the graph. (Use the line of best fit to predict how much your house would cost if it was 7500 square feet).

8) Using your line of best fit, pick two points that you think will be on the "best-fit" line. Write an equation of the line. Show all steps for finding slope and y-intercept.

PLEASE INCLUDE WITH PROJECT:

1. A picture of your neighborhood from the Zillow website.

2. Table & rubric (home info and rubric

3. Scatter plot with line of best fit drawn. Include EQUATION and prediction.

4. Include work that was used to come up with equation and prediction.

IF YOU HAVE QUESTIONS…. EMAIL me!

GOOD Luck

Student Name ________________________________________________ Period ______

Project – Using Zillow to Find Line of Best Fit/Write Equation of the Line

1. Title on project ______/ 2

2. Table – neatly organized and labeled table. ______/10

At least 25 data points were included.

x = (represents?)

y = _(represents?)

3. Scatter Plot/Graph – The graph was neatly drawn. The x and y ______/10

labeled correctly. At least 25 data points from table were included; these

points were correctly plotted on graph.

4. Line of Best Fit – Student drew a line of best fit. His/her line goes ______/ 3

roughly through the middle of all the scatter points on the graph.

5. Equation of the Line – Student showed all steps required to find ______/10

1. slope and 2.) y-intercept.

6. Prediction – Student used graph and line of best fit to make an ______/ 5

accurate prediction.

7. Overall – Project is colorful, creative and neatly completed. Project ______/ 5

shows significant student effort.

8. Deductions – Student turned in project. (minus 10% per day) ______/

Final Score ______/40

|Home Address |Square Footage (x) |Price (y) |

|1234 Dixie Drive, Saratoga |Example: 1550 |Example: $128,538 |

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