polynomial regression

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Equations from Data

When businesses, governments and other policy makers prepare to make decisions, they often look at data to find trends. In this activity, we will use data and a graphing calculator, Desmos, or Geogebra to find an equation that best fits the data points. Statista has Global Apple iPod sales (in million units). Plot the data [...]

By | 2017-11-13T22:01:55+00:00 September 25th, 2016|Graphing Calculator, PreCalculus, Statistics|0 Comments

Find an equation of best fit in Geogebra

Go to Geogebra.org. Click on Geogebra Math Apps. Choose Spreadsheet. Enter your data in the spreadsheet. Click in the graph area, then right click and choose Graphics. In the Basic tab, change your x- and y- mins and maxes to represent your data points. Click on the Grid tab and Show Grid if you want. [...]

By | 2017-11-13T22:01:55+00:00 September 24th, 2016|Graphing Calculator, PreCalculus, Statistics|0 Comments