Caffeine content in a 5-ounce cup of brewed coffee ranges from 60 to 180 mg, depending on brew time, coffee bean type, and grind. (a) Use the midrange to estimate the measure of centre. Midrange 120mg (b) Use the Empirical Rule to estimate the standard deviation. Standard deviation 20mg (c) Why is the assumption of a normal, bell-shaped distribution important in making these estimates? Because we can estimate the mean with the midrange. Because we can estimate the mean with the standard deviation. Because we can estimate the standard deviation with the median.
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Caffeine content in a 5-ounce cup of brewed coffee ranges from 60 to 180 mg, depending on brew time,...
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