Question
In: Statistics and Probability
In a test of the effectiveness of garlic for lowering cholesterol, 45 subjects were treated with...
In a test of the effectiveness of garlic for lowering cholesterol, 45 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. The changes in their levels of LDL cholesterol (in mg/dL) have a mean of 4.1 and a standard deviation of 18.6
Construct a 90% confidence interval estimate of the mean net change in LDL cholesterol after the garlic treatment. What does the confidence interval suggest about the effectiveness of garlic in reducing LDL cholesterol?
What is the confidence interval estimate of the population mean μ?
Solutions
orchestra answered 1 year agoRelated Solutions
In a test of the effectiveness of garlic for lowering cholesterol, 45 subjects were treated with...
In a test of the effectiveness of garlic for lowering
cholesterol, 45 subjects were treated with garlic in a processed
tablet form. Cholesterol levels were measured before and after the
treatment. The changes in their levels of LDL cholesterol (in
mg/dL) have a mean of 4.2 and a standard deviation of 19.6.
Answer the following (round as indicated).
A. What is the best point estimate of the population mean net
change in LDL cholesterol after the garlic treatment?
The best...
In a test of the effectiveness of garlic for lowering cholesterol, 45 subjects were treated with...
In a test of the effectiveness of garlic for lowering
cholesterol,
45
subjects were treated with garlic in a processed tablet form.
Cholesterol levels were measured before and after the treatment.
The changes
(beforeminus−after)
in their levels of LDL cholesterol (in mg/dL) have a mean
of
5.2
and a standard deviation of
15.8.
Construct a 95%
confidence interval estimate of the mean net change in LDL
cholesterol after the garlic treatment. What does the confidence
interval suggest about the effectiveness...
In a test of the effectiveness of garlic for lowering cholesterol, 40 subjects were treated with...
In a test of the effectiveness of garlic for lowering cholesterol, 40 subjects were treated with raw garlic. Cholesterol levels were measured before and after the treatment. The changes (before minus star) in the levels of LDL cholesterol (in mgdL) have a mean of 6 and a standard deviation of 16.8. Use a 0.01 significance level to test the claim that with garlic treatment, the mean change in LDL cholesterol is greater than 0. What do the results suggest about...
In a test of the effectiveness of garlic for lowering cholesterol, 64 subjects were treated with...
In a test of the effectiveness of garlic for lowering
cholesterol, 64 subjects were treated with raw garlic. Cholesterol
levels were measured before and after the treatment. The changes
(before minus after) in their levels of LDL cholesterol (in
mg/dL) have a mean of 0.2 and a standard deviation of 1.86. Use a
0.01 significance level to test the claim that with garlic
treatment, the mean change in LDL cholesterol is greater than
0.What do the results suggest about the...
In a test of the effectiveness of garlic for lowering cholesterol, 64 subjects were treated with...
In a test of the effectiveness of garlic for lowering cholesterol, 64 subjects were treated with raw garlicCholesterol levels were measured before and after the treatment The changes (before minus after) in their levels of LDL cholesterol (in mg/dL) have a mean of 0.6 and a standard deviation of 1.61. Use a 0.01 significance level to test the claim that with garlic treatment, the moon change in LDL cholesterol is greater than 0. What do the results suggest about the...
In a test of the effectiveness of garlic for lowering cholesterol, 49 subjects were treated with...
In a test of the effectiveness of garlic for lowering
cholesterol, 49 subjects were treated with garlic in a processed
tablet form. Cholesterol levels were measured before and after the
treatment. The changes (beforeminusafter) in their levels of LDL
cholesterol (in mg/dL) have a mean of 2.7 and a standard deviation
of 16.8. Construct a 99% confidence interval estimate of the mean
net change in LDL cholesterol after the garlic treatment. What does
the confidence interval suggest about the effectiveness...
In a test of the effectiveness of garlic for lowering cholesterol, 81 subjects were treated with...
In a test of the effectiveness of garlic for lowering
cholesterol, 81 subjects were treated with raw garlic. Cholesterol
levels were measured before and after the treatment. The changes
(before minus after) in their levels of LDL cholesterol (in
mg/dL) have a mean of 0.9 and a standard deviation of 2.25 . Use a
0.10 significance level to test the claim that with garlic
treatment, the mean change in LDL cholesterol is greater than 0 .
What do the results...
In a test of the effectiveness of garlic for lowering cholesterol, 47 subjects were treated with...
In a test of the effectiveness of garlic for lowering
cholesterol, 47 subjects were treated with garlic in a processed
tablet form. Cholesterol levels were measured before and after the
treatment. The changes (before-after) in their levels of LDL
cholesterol (in mg/dL) have a mean of 4.2 and a standard deviation
of 15.5. Construct a 90% confidence interval estimate of the mean
net change in LDL cholesterol after the garlic treatment. What does
the confidence interval suggest about the effectiveness...
In a test of the effectiveness of garlic for lowering cholesterol, 47 subjects were treated with...
In a test of the effectiveness of garlic for lowering
cholesterol, 47 subjects were treated with garlic in a processed
tablet form. Cholesterol levels were measured before and after the
treatment. The changes (beforeminusafter) in their levels of LDL
cholesterol (in mg/dL) have a mean of 5.5 and a standard deviation
of 15.6. Construct a 95% confidence interval estimate of the mean
net change in LDL cholesterol after the garlic treatment. What does
the confidence interval suggest about the effectiveness...
In a test of the effectiveness of garlic for lowering cholesterol, 49 subjects were treated with...
In a test of the effectiveness of garlic for lowering
cholesterol, 49 subjects were treated with raw garlic. Cholesterol
levels were measured before and after the treatment. The changes
(before minus after) in their levels of LDL cholesterol (in
mg/dL) have a mean of 0.6 and a standard deviation of 18.1. Use a
0.01 significance level to test the claim that with garlic
treatment, the mean change in LDL cholesterol is greater than 0.
What do the results suggest about...
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