According to researches, the human requirement for salt is 220 mg per day which is supposed in most single servings of ready-to-eat burgers. If a random sample of 35 hamburgers has a mean sodium content of 244 mg of sodium and a standard deviation of 24.5 mg, does this suggest at ! = 0.01 that the average sodium content for single servings of hamburger is greater than 220 mg?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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According to researches, the human requirement 
for salt is 220 mg per day which is supposed in 
most single servings of ready-to-eat burgers. If 
a random sample of 35 hamburgers has a mean 
sodium content of 244 mg of sodium and a 
standard deviation of 24.5 mg, does this suggest 
at ! = 0.01 that the average sodium content for single servings of hamburger is greater than 220 
mg?

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