31. Ruffles. Students investigating the packaging of
Chapter 23, Problem 31(choose chapter or problem)
31. Ruffles. Students investigating the packaging of potatochips purchased 6 bags of Lays Ruffles marked with anet weight of 28.3 grams. They carefully weighed the contentsof each bag, recording the following weights (ingrams): 29.3, 28.2, 29.1, 28.7, 28.9, 28.5.a) Do these data satisfy the assumptions for inference?Explain.b) Find the mean and standard deviation of the weights.c) Create a 95% confidence interval for the mean weightof such bags of chips.d) Explain in context what your interval means.e) Comment on the companys stated net weight of28.3 grams.
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