The stemplot shows the caffeine content for 38 different soft drinks. The standard deviation of this distribution is 7.96 mg. Which of the following is the best interpretation of this value? (a) The caffeine content for all soft drinks in the sample is within 7.96 mg of the mean. (b) The gap between the smallest and largest caffeine content is 7.96 mg. (c) The caffeine content for all soft drinks in the sample is 7.96 mg from the mean. (d) The caffeine content for all soft drinks in the sample is typically 7.96 mg from the mean. (e) The gap between the first quartile and the third quartile is 7.96 mg

556 033344 55667778888899 A W W N N- 113 KEY: 2 |8 means the 55567778 soft drink contains 33 28 mg of caffeine per 4 77 8-ounce serving