Section 2 – Teaching Resources - NC-NET

Student activity: Right-click the curve and select “Add Trendline” to the data. Excel will default and apply a linear-fit trendline to the data. Right-click the trendline and add the R2 value (a measure of goodness-of-fit) to the chart. Values of R2 less than 0.9 indicate a rather weak fit to the data. ................
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