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A study was conducted on a sample of 25 outpatient records in a hospital for a chronic disease, and the average number of outpatient visits per patient was calculated as 4.8. The population standard deviation is assumed to be 2. Can it be concluded from these data that the population mean is more than four visits per patient with a probability of type 1 error of 0.05?

A study was conducted on a sample of 25 outpatient records in a hospital for a chronic disease, and the average number of outpatient visits per patient was calculated as 4.8. The population standard deviation is assumed to be 2. Can it be concluded from these data that the population mean is more than four visits per patient with a probability of type 1 error of 0.05?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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4. A study was conducted on a sample of 25 outpatient records in a hospital for a chronic disease, and the average number of outpatient visits per patient was calculated as 4.8. The population standard deviation is assumed to be 2. Can it be concluded from these data that the population mean is more than four visits per patient with a probability of type 1 error of 0.05?
Transcribed Image Text:4. A study was conducted on a sample of 25 outpatient records in a hospital for a chronic disease, and the average number of outpatient visits per patient was calculated as 4.8. The population standard deviation is assumed to be 2. Can it be concluded from these data that the population mean is more than four visits per patient with a probability of type 1 error of 0.05?
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