As part of a study, 800 college football players are randomly chosen and their weights taken. The distribution of the weights is approximately normal. The average weight is 235 pounds and the standard deviation is 25 pounds.
Assuming there were no outliers, the range of weights was approximately
◦ 400 pounds.
◦ 150 pounds.
◦ 100 pounds.
◦ 200 pounds.
◦ none of these