Weights of M&Ms. Weights (in grams) of randomly selected M&M plain candies:

0.957 0.912 0.842 0.925 0.939 0.886 0.914 0.913 0.958 0.947 0.920 each list a set of numbers. In each case, find the range and standard deviation. (The same sets of numbers were used in Exercises 13–20 in Section 1.)