ALZ 7.142 Studies on treating Alzheimer's disease. Alzheimer's disease is a progressive se of the brain. The journal eCAM (Nov. 2006) published an article that critiqued the quality of ethodology used in studies on Alzheimer's treatment. For each in a sample of 13 studies, the y of the methodology was measured on the Wong scale, with scores ranging from 9 (low ) to 27 (high quality). The data are shown in the table below. O Estimate, with a 99% confidence interval, the mean quality 4 of all studies on the treatment of Alzheimer's disease. Interpret the result. According to the researchers, a study with a Wong score below 18 used a methodology that "fails to sunport the author's conclusions" about the treatment of Alzbeimer's U Ise Wilson's
ALZ 7.142 Studies on treating Alzheimer's disease. Alzheimer's disease is a progressive se of the brain. The journal eCAM (Nov. 2006) published an article that critiqued the quality of ethodology used in studies on Alzheimer's treatment. For each in a sample of 13 studies, the y of the methodology was measured on the Wong scale, with scores ranging from 9 (low ) to 27 (high quality). The data are shown in the table below. O Estimate, with a 99% confidence interval, the mean quality 4 of all studies on the treatment of Alzheimer's disease. Interpret the result. According to the researchers, a study with a Wong score below 18 used a methodology that "fails to sunport the author's conclusions" about the treatment of Alzbeimer's U Ise Wilson's
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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Question
Answer part a and b
![ALZ 7.142 Studies on treating Alzheimer's disease. Alzheimer's disease is a progressive
disease of the brain. The journal eCAM (Nov. 2006) published an article that critiqued the quality of
the methodology used in studies on Alzheimer's treatment. For each in a sample of 13 studies, the
quality of the methodology was measured on the Wong scale, with scores ranging from 9 (low
quality) to 27 (high quality). The data are shown in the table below. O
a. Estimate, with a 99% confidence interval, the mean quality H of all studies on the treatment
of Alzheimer's disease. Interpret the result.
b. According to the researchers, a study with a Wong score below 18 used a methodology that
"fails to support the author's conclusions" about the treatment of Alzheimer's. Use Wilson's
adjustment to estimate the proportion of all studies on the treatment of Alzheimer's disease
with a Wong score below 18. Construct a 99% confidence interval around the estimate and
interpret the result.
22 21 18
19
20 15
19 20 15 20 17
20 21](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb6935836-7325-4f2c-bb3f-cf7d238b0078%2F9d244002-42ca-4c37-8a04-505936896101%2Fqinxpwq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:ALZ 7.142 Studies on treating Alzheimer's disease. Alzheimer's disease is a progressive
disease of the brain. The journal eCAM (Nov. 2006) published an article that critiqued the quality of
the methodology used in studies on Alzheimer's treatment. For each in a sample of 13 studies, the
quality of the methodology was measured on the Wong scale, with scores ranging from 9 (low
quality) to 27 (high quality). The data are shown in the table below. O
a. Estimate, with a 99% confidence interval, the mean quality H of all studies on the treatment
of Alzheimer's disease. Interpret the result.
b. According to the researchers, a study with a Wong score below 18 used a methodology that
"fails to support the author's conclusions" about the treatment of Alzheimer's. Use Wilson's
adjustment to estimate the proportion of all studies on the treatment of Alzheimer's disease
with a Wong score below 18. Construct a 99% confidence interval around the estimate and
interpret the result.
22 21 18
19
20 15
19 20 15 20 17
20 21
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