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 120 (b) use the empirical rule to estimate the standard deviation. standard deviation 20 (c) why is the assumption of a normal, bell-shaped distribution important in making these estimates. especially question d
