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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.
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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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