A randomly sampled group of patients at a major U.S. regional hospital became part of a nutrition study on dietary habit

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A Randomly Sampled Group Of Patients At A Major U S Regional Hospital Became Part Of A Nutrition Study On Dietary Habit 1 (41.74 KiB) Viewed 26 times

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 survey of patients had found the mean score for the population of patients to be g = 2.9. After careful review of these data, the hospital nutritionist decided that patients could benefit from nutrition education. The current survey was implemented after patients were subjected to this education, and it produced these sample statistics for the 15 patients sampled: 3 = 3.3 and s = 1.2. We would like to know if the education improved nutrition behavior. We test the hypotheses Ho: u = 2.9 versus Hr : H> 29. The t test to be used has the value: 2.36. O 1.35. 1.29. -1.29