19. Packaging Hamburger Meat The weights (in pounds) of 27 packages of ground beef in a supermarket...
Question:
19. Packaging Hamburger Meat The weights
(in pounds) of 27 packages of ground beef in a supermarket meat display are as follows:
a. Draw a stem and leaf plot or a relative frequency histogram to display the weights. Is the distribution relatively mound-shaped?
b. Find the mean and the standard deviation of the data set.
c. Find the percentage of measurements in the intervals x 6s, x 62s, and x 63s.
d. How do the percentages in part c compare with those given by the Empirical Rule? Explain.
e. How many of the packages weigh exactly 1 pound?
Can you think of any reason for this?
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Related Book For
Introduction To Probability And Statistics
ISBN: 9780357114469
15th Edition
Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver
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