1) The data below are the weights (in pounds) of 15 packages of ground beef in refrigerators at the Supermax supermarket: 1.28, .90, 1.29, 1.15, .93, 1.18, .89, 1.12, 2.33, 1.94, 2.14, 2.6, 1.11, 1.9, 1.2 (Mendenhall et al., 2015). a) Construct a stem and leaf plot to show the distribution of these weights. b) Find the mean and standard deviation of the data set. c) Find the percentage of measurements in the intervals of the empirical rule.

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