A data set lists weights (lb) of plastic discarded by households. The highest weight is 5.48 lb, the mean of all of the weights is x=2.072 lb, and the standard deviation of the weights is s=2.181 lb. a. What is the difference between the weight of 5.48 lb and the mean of the weights? b. How many standard deviations is that [the difference found in part (a) ]? c. Convert the weight of 5.48 lb to a z score. d. If we consider weights that convert to z scores between - 2 and 2 to be neither significantly low nor significantly high, is the weight of 5.48 lb significant?
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