Question: Refer to the Cereal data file on the text CD, with x = sugar (g) and y = sodium (mg), for which = 169

Refer to the Cereal data file on the text CD, with x = sugar (g) and y = sodium (mg), for which ŷ = 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 rougth 28.35 grams?

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a SODIUMmg 169 000025 SUGARmg The slope changes from grams to milligrams For every 1 milligra... View full answer

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