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6.06 Scatter plots & line of best fit

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Miss Ariel Gene Fonseca

on 11 March 2014

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Transcript of 6.06 Scatter plots & line of best fit

6.06 Scatter plots & line of best fit
Question 1
Part 1:
Positive correlation.
Part 2:
Line of best fit using Geogebra

Scatter plot with predicted line of best fit
Part 3
Yes, it is a good fit. The values are increasing, there is a positive correlation.
Question 2
Regression analysis using geogebra (1976-2011)
Part 2:
It fits well, there is a positive correlation, a general increase in x and y values.
Part 3
Using the line of best fit to predict the number of contestants past year 2011, approx in the 50 thousands.
Part 1:
Full transcript