Using Technology & Lines of Best Fit  I can construct graphs and lines of best fit using a graphing calculator.

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Presentation transcript:

Using Technology & Lines of Best Fit  I can construct graphs and lines of best fit using a graphing calculator.

Go to page 45, Example 2 in the textbook

Click ENTER on the cell, then add type in your data

Click ENTER to go to the cell below

Enter in your data

Click the HOME/ON button

Scroll the cursor to the bottom (x-axis), click and select the variable for the x-axis

Scroll the cursor to the left side (y-axis), click and select the variable for the y-axis

Click MENU, Analyze, Add Movable Line

Click MENU, Analyze, Regression, Show Linear (mx+b)

Summary:  New document  Lists and spreadsheets (to enter data)  Home  Graph button (picture of bar graph)  Add labels to x and y axes  Menu  Analyze  Regression  Show Linear (mx + b)  To get equation of line of best fit

More Practice Daily high temp (°C)Peak electricity demand (MW)