Find the mean and standard deviation of the weights

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Reference no: EM131381321

Ruffles. Students investigating the packaging of potato chips purchased 6 bags of Lay's Ruffles marked with a net weight of 28.3 grams. They carefully weighed the contents of each bag, recording the following weights (in grams): 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 weight of such bags of chips.

d) Explain in context what your interval means.

e) Comment on the company's stated net weight of 28.3 grams.

Reference no: EM131381321

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