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6.06 Scatter plots & line of best fit
Transcript of 6.06 Scatter plots & line of best fit
Line of best fit using Geogebra
Scatter plot with predicted line of best fit
Yes, it is a good fit. The values are increasing, there is a positive correlation.
Regression analysis using geogebra (1976-2011)
It fits well, there is a positive correlation, a general increase in x and y values.
Using the line of best fit to predict the number of contestants past year 2011, approx in the 50 thousands.