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International Baccalaureate Mathematics

Statistics and Probability

These are the Transum resources related to the statement: "Linear correlation of bivariate data. Pearson’s product-moment correlation coefficient, r. Scatter diagrams; lines of best fit, by eye, passing through the mean point. Use of the equation of the regression line for prediction purposes. Interpret the meaning of the parameters, a and b, in a linear regression y=ax+b".

Here are some specific activities, investigations or visual aids we have picked out. Click anywhere in the grey area to access the resource.

Here are some exam-style questions on this statement:

Click on a topic below for suggested lesson starters, resources and activities from Transum.


If you use the TI-Nspire calculator you can find instructions for finding the regression line on the GDC Essentials page. The equation of that line can then be used for prediction purposes.

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