what is the difference between the weight of 5.28 lb and the mean of the weights

Question

Data set 31 "Garbage Weight" in appendix B list weights (lb) of plastic discarded by households. The highest weight is 5.28 lb, the mean of all of the weights is x= 1.911 lb and the standard deviation of the weights is s= 1.065

Answer 1

Based on what is stated in the problem, it must be

 

(5.28 - 1.911) lbs = 3.369 lbs