A dietitian wondered if being on a diet was related to sodium intake. She knew that the mean daily sodium intake in the United States was 3,400 mg with a standard deviation of 270. She obtained a random sample of 172 dieting Americans and found, for sodium consumption, M = 2,900 mg. Complete all six steps of hypothesis testing.
Chapter 6, Exercises #99
A dietitian wondered if being on a diet was related to sodium intake. She knew that the mean daily sodium intake in the United States was 3,400 mg with a standard deviation of 270. She obtained a random sample of 172 dieting Americans and found, for sodium consumption, M = 2,900 mg. Complete all six steps of hypothesis testing.
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Step 1 Pick a Test Comparing a sample mean to a population mean where the population standard deviat…View the full answer
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