A nutrition laboratory tests 40 reduced sodium hot dogs, finding that the mean sodium content is 310

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A nutrition laboratory tests 40 "reduced sodium “hot dogs, finding that the mean sodium content is 310 mg with standard deviation of 36 mg. (adapted from [De Vaux ET al.2006])

a. Find a 95% confidence interval for the mean sodium of this brand of hot dog using the Z score to describe the margin of error.

b. Find a 95% confidence interval for the mean sodium of this brand of hot dog using the tdf score to describe the margin of error.

c. What is the difference between the two approaches for calculating the confidence intervals?

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Elementary Statistics Picturing the World

ISBN: 978-0321911216

6th edition

Authors: Ron Larson, Betsy Farber

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Posted Date: Sep 03, 2018 12:35 AM

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A nutrition laboratory tests 40 reduced sodium hot dogs, finding that the mean sodium content is 310

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a It is given that x 310 n 40 z c for 1 095 005 is obtained fro... View the full answer

Elementary Statistics Picturing the World

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