Correlation lab
Load a preset or build your own cloud of points, then drag one a long way from the rest. The correlation coefficient, the strength description and the line of best fit recalculate live, which is the quickest way to see how much damage a single outlier does.
Load a preset or build your own cloud of points, then drag one a long way from the rest. The correlation coefficient, the strength description and the line of best fit recalculate live, which is the quickest way to see how much damage a single outlier does.
Correlation lab
Add and drag points on a scatter plot and watch the coefficient respond. This tool needs JavaScript, so turn it on to use it. Everything you need to answer the exam question is explained in the text above.