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. A prior study conducted at the hospital showed that averaging scores over 50 questions produces a Normal population distribution. If we obtain a sample of n = 15 subjects and wish to calculate a 95% confidence interval, the critical value t* is: 1.753. 2.145. O 1.761. O 2.131.
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. A prior study conducted at the hospital showed that averaging scores over 50 questions produces a Normal population distribution. If we obtain a sample of n = 15 subjects and wish to calculate a 95% confidence interval, the critical value t* is: 1.753. 2.145. O 1.761. O 2.131.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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