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Nutritional information was collected for 77 breakfast cereals including the amount of fiber (in grams), potassium (in mg), and the number of calories per serving. The data resulted in the following scatterplots.

-Compare the two plots with respect to the aspects that would affect the standard error
of the regression slope?

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Nutritional information was collected for 77 breakfast cereals including the amount of fiber (in grams), potassium (in mg), and the number of calories per serving. The data resulted in the following scatterplots.

-Compare the two plots with respect to the aspects that would affect the standard error
of the regression slope?

Quizplus · Accepted Answer

The Answer is Overall, the plot of potassium vs. fiber would result in a regression slope with a more consistent standard error because the plot shows a tighter spread around the line. The spread of the

x

's for this plot show a wider range while not showing any points that defer from the pattern. Sample size is the same in each plot so this would not account for any difference in consistency of the standard error.

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