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“Correlation does not imply causation.” This statement has been uttered so many times in stats classes, the statement has almost become a cliche! What does it really mean though? In this...
Finding the correlation coefficient for two groups of numbers helps us to figure out how the data sets are related – and may also help us to make predictions. Microsoft Excel can find the...
If you are working with a scatterplot, you are probably looking for a line of best fit as well. It helps to understand what the line of best fit is used for – that way, you can get a better...