Question: The following table reproduced from Exercise 13 26 gives information on

The following table, reproduced from Exercise 13.26, gives information on the amount of sugar (in grams) and the calorie count in one serving of a sample of 13 varieties of Kellogg’s cereal.
a. Find the correlation coefficient. Is its sign the same as that of b calculated in Exercise 13.26?
b. Test at a 1% significance level whether the linear correlation coefficient between the two variables listed in the table is positive.

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  • CreatedAugust 25, 2015
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