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Using Core Math Tools to Determine the Line of Best Fit

Using Core Math Tools to Determine the Line of Best Fit. Karla Goldhahn. Where can you download Core Math Tools?. Download the free software here: http://www.wmich.edu/cpmp/CPMP-Tools/. Demonstration:. Step 1: Open Spreadsheet. Step 2: Enter the data.

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Using Core Math Tools to Determine the Line of Best Fit

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  1. Using Core Math Tools to Determine the Line of Best Fit Karla Goldhahn

  2. Where can you download Core Math Tools? Download the free software here: http://www.wmich.edu/cpmp/CPMP-Tools/

  3. Demonstration:

  4. Step 1: Open Spreadsheet

  5. Step 2: Enter the data Column A: input valuesColumn B: output values For this example, I used the data from the Building and Combining functions task. Column A represents number of years since 2000; column B represents the crime rate for City A.

  6. Step 3: Graph the Data 1. Go to: Tools, Graph, Scatterplot 2. Designate the input values (horizontal) and output values (vertical) For this example, Column A, number of years since 2000, is my input/horizontal and Column B, crime rate for City A, is my output/vertical

  7. Step 4: Draw Regression Models 1. Go to: Options, Draw Regression Model 2. There you have it, the equation for the line of best fit!

  8. For questions or to provide feedback, please email me at Karla.Goldhahn@henry.k12.ga.us

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