Question: Changing units for cereal data Refer to the Cereal data file on the books website, with x = sugar 1g2 and y = sodium 1mg2,

Changing units for cereal data Refer to the Cereal data file on the book’s website, with x = sugar 1g2 and y = sodium 1mg2, for which yn = 169 - 0.25x.

a. Convert the sugar measurements to mg and calculate the line obtained from regressing sodium (mg) on sugar (mg). Which statistics change and which remain the same? Clearly interpret the slope coefficient.

b. Suppose we instead convert the sugar measurements to ounces. How would this effect the slope of the regression line? Can you determine the new slope just from knowing that 1 ounce equals roughly 28.35 grams?

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