The purpose of a study by Luglie was to investigate the oral status of a group of patients diagnosed with thalassemia major (TM). One of the outcome measure s was the decayed, missing, filled teeth index (DMFT). In a sample of 18 patients, the mean DMFT index value was 10.3 with standard deviation of 7.3. Is this sufficient evidence to allow us to conclude that the mean DMFT index is greater than 9 in a population of similar subjects? Let a =0.1

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Conduct hypothesis testing using the traditional way and the p-value of the following problem.
2. The purpose of a study by Luglie was to investigate the oral
status of a group of patients diagnosed with thalassemia major
(TM). One of the outcome measure s was the decayed, missing,
filled teeth index (DMFT). In a sample of 18 patients, the mean
DMFT index value was 10.3 with standard deviation of 7.3. Is
this sufficient evidence to allow us to conclude that the mean
DMFT index is greater than 9 in a population of similar subjects?
Let a =0.1
Transcribed Image Text:2. The purpose of a study by Luglie was to investigate the oral status of a group of patients diagnosed with thalassemia major (TM). One of the outcome measure s was the decayed, missing, filled teeth index (DMFT). In a sample of 18 patients, the mean DMFT index value was 10.3 with standard deviation of 7.3. Is this sufficient evidence to allow us to conclude that the mean DMFT index is greater than 9 in a population of similar subjects? Let a =0.1
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