A randomly sampled group of patients at a major U.S. regional hospital became part of a nutrition study on dietary habits. Part of the study consisted of a 50-question survey asking about types of foods consumed. Each question was scored on a scale from one: most unhealthy behavior to five: most healthy behavior. The answers were summed and averaged. The population of interest is the patients at the regional hospital. Valid inferences require which of these choices? a random sample of U.S. citizens, since the study is conducted in the United States a sample size of at least 30 subjects All of the answer options are correct. that the population of patients at the regional hospital be at least 20 times the sample size
A randomly sampled group of patients at a major U.S. regional hospital became part of a nutrition study on dietary habits. Part of the study consisted of a 50-question survey asking about types of foods consumed. Each question was scored on a scale from one: most unhealthy behavior to five: most healthy behavior. The answers were summed and averaged. The population of interest is the patients at the regional hospital. Valid inferences require which of these choices? a random sample of U.S. citizens, since the study is conducted in the United States a sample size of at least 30 subjects All of the answer options are correct. that the population of patients at the regional hospital be at least 20 times the sample size
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Transcribed Image Text:A randomly sampled group of patients at a major U.S. regional hospital became part of a nutrition study on dietary habits.
Part of the study consisted of a 50-question survey asking about types of foods consumed. Each question was scored on a
scale from one: most unhealthy behavior to five: most healthy behavior. The answers were summed and averaged. The
population of interest is the patients at the regional hospital.
Valid inferences require which of these choices?
a random sample of U.S. citizens, since the study is conducted in the United States
a sample size of at least 30 subjects
All of the answer options are correct.
that the population of patients at the regional hospital be at least 20 times the sample size
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