Doritos Some students checked 6 bags of Doritosmarked with a net weight of 28.3 grams. They carefully weighed the contents of each bag, recording the follow-ing weights (in grams): 29.2, 28.5, 28.7, 28.9, 29.1, 29.5. 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 company’s stated net weight of28.3 grams.
Doritos Some students checked 6 bags of Doritosmarked with a net weight of 28.3 grams. They carefully weighed the contents of each bag, recording the follow-ing weights (in grams): 29.2, 28.5, 28.7, 28.9, 29.1, 29.5. 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 company’s stated net weight of28.3 grams.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Question
Doritos Some students checked 6 bags of Doritos
marked with a net weight of 28.3 grams. They carefully
marked with a net weight of 28.3 grams. They carefully
weighed the contents of each bag, recording the follow-
ing weights (in grams): 29.2, 28.5, 28.7, 28.9, 29.1, 29.5.
ing weights (in grams): 29.2, 28.5, 28.7, 28.9, 29.1, 29.5.
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.
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.
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