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A nutritionist records the amount of sugar (x, in grams) in ten different cereal brands and their average rating (y) given by a panel of tasters. The data are shown below.
Use your calculator to calculate the Pearson product–moment correlation coefficient, r.
Describe the correlation between sugar content and taste rating.
Find the equation of the regression line of y on x, in the form y=mx+c.
Estimate the expected taste rating when a cereal contains 15 grams of sugar.
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