Question: 10 QUESTION 10 Making a scatter diagram before figuring the correlation coefficient is a good idea because there is no point in figuring the correlation

QUESTION 10 Making a scatter diagram before figuring the correlation coefficient is a good idea because there is no point in figuring the correlation if a clear line is formed on the graph there are different procedures depending on whether there appears to be a positive or a negative correlation it allows estimation of the degree and direction of correlation to provide a check on eventual figuring. O a correlation coefficient should only be figured if a clear curvilinear correlation is seen

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