For this assignment you will implement a project involving curve-fitting and interpretation. You will compile data, fit the data to linear, polynomial, exponential, or logarithmic models, assess the appropriateness of the models, and explore the predictive power of the models. You will use appropriate technology to perform the modeling tasks.

**Instructions**

For this assignment, collect data exhibiting a relatively linear trend, find the line of best fit, plot the data and the line, interpret the slope, and use the linear equation to make a prediction. Also, find *r*^{2} (coefficient of determination) and *r* (correlation coefficient). Discuss your findings. Your topic may be that is related to sports, your work, a hobby, or something you find interesting. If you choose, you may use the suggestions described below.

*A** **Linear Model Completed Project Example** **and** **Technology Tip**s are described in separate topics.*

**Tasks for Linear Regression Model (LR)**

(LR-1) Describe your topic, provide your data, and cite your source. Collect at least 8 data points.** Label appropriately.** **(Create a main topic in the conference titled "Project Activity Area" and post this information as a topic under your main topic and also with your submission of completed project in assignment folder.** **Include a brief informative description in the title of your posting.** *Each student must use different data*.) **Final completed project to be posted in Assignment folder NOT in conference area.***The idea with the conference posting of your topic is two-fold: (1) To share your interesting project idea with your classmates, and (2) To give me a chance to give you a brief thumbs-up or thumbs-down about your proposed topic and data. Sometimes students get off on the wrong foot or misunderstand the intent of the project, and your posting provides an opportunity for some feedback. *

*Remark:** **Students may choose similar topics, **but must have** **different data sets**. For example, several students may be interested in a particular Olympic sport, and that is fine, but they must collect different data, perhaps from different events or different gender.*(LR-2) Plot the points (x, y) to obtain a scatterplot. Use an appropriate scale on the horizontal and vertical axes and be sure to label carefully. Visually judge whether the data points exhibit a relatively linear trend. (If so, proceed. If not, try a different topic or data set.)

(LR-3) Find the line of best fit (regression line) and graph it on the scatterplot. State the equation of the line.

(LR-4) State the slope of the line of best fit. Carefully interpret the meaning of the slope in a sentence or two.

(LR-5) Find and state the value of

(LR-6) Choose a value of interest and use the line of best fit to make an estimate or prediction. Show calculation work.

(LR-7) Write a brief narrative of a paragraph or two. Summarize your findings and be sure to mention any aspect of the linear model project (topic, data, scatterplot, line, r, or estimate, etc.) that you found particularly important or interesting.

Subject | Mathematics |

Due By (Pacific Time) | 04/20/2014 05:00 pm |

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