The data listed here are the weights (in kilograms) of 27 packages of ground beef in a supermarket meat display: 1.08 0.99 0.97 1.18 1.41 1.28 0.83 1.06 1.14 1.38 0.750.96 1.08 0.87 0.89 0.89 0.96 1.12 1.120.93 1.24 0.89 0.98 1.14 0.92 1.18 1.17 a. Construct a stem and leaf plot or a relative frequency histogram to display the distribution of weights. Is the distribution relatively mound-shaped? b. Find the mean and standard deviation of the data set. c. Find the percentage of measurements in the intervals 푥±s, 푥±2s, and 푥±3s. d. How do the percentages obtained in partc compare with those given by the Empirical Rule? Explain.
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