TFL final crowds alarm

Although this article is now dated (for later figures see Tassie footy's TV challenge) it provides excellent data for calculation of a correlation coefficient or regression equation for more advanced students. In this case, the correlation is very strong (.985) and the downward trend is clear in the negative slope in the equation,

y= - 4099.5 x + 387419.

Students might like to use figures from the other article and recalculate the correlation and the regression equation. There is a good opportunity for discussing the appropriateness of these statistical tools when the trend in the data begins to look non-linear.

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