Question
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
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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a It is given that x 310 n 40 z c for 1 095 005 is obtained fro...
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Elementary Statistics Picturing The World
Authors: Ron Larson, Betsy Farber
6th Edition
0321911210, 978-0321911216
