1. In a test of the effectiveness of garlic for lowering cholesterol, 43 subjects were treated with garlic processed tablet form. Cholesterol levels were measured before and after the treatment. The chang (before-after) in their levels of LDL cholesterol (in mg/dL) have a mean of 4.2 and a standard devia 19.4. Construct a 99% confidence interval estimate of the mean net change in LDL cholesterol aftei garlic treatment. What does the confidence interval suggest about the effectiveness of garlic in redı LDL cholesterol?

Q: In a test of the effectiveness of garlic for lowering​ cholesterol, 81 subjects were treated with…

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Q: A consumer agency is interested in examining whether there is a difference in two common sealant…

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Q: In a test of the effectiveness of garlic for lowering​ cholesterol, 81 subjects were treated with…

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Q: In a test of the effectiveness of garlic for lowering cholesterol, 48 subjects were treated with…

A: From the provided information, Sample size (n) = 48 Sample mean (x̄) = 2.7 Sample standard deviation…

Q: In a test of the effectiveness of garlic for lowering cholesterol, 49 subjects were treated with raw…

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Q: In a test of the effectiveness of garlic for lowering​ cholesterol, 81 subjects were treated with…

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Q: A study was made of a sample of 25 records of patients seen at a chronic disease hospital on an…

A: Given data : Sample size = 25 Sample mean = 4.8 Sample standard deviation = 2 Population mean = 4…

Q: In a test of the effectiveness of garlic for lowering​ cholesterol, 36 subjects were treated with…

A: Let μ be the population mean change in LDL cholesterol. The claim of the test is that with garlic​…

Q: The mean and standard deviation of hemoglobin level of 23 vibrant students and 21 school children…

A: We have to test claim.

Q: In a test of the effectiveness of garlic for lowering cholesterol, 49 subjects were treated with raw…

A: Null and Alternative hypothesis: The level of significance is, The value of test statistic is,

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Q: In a test of the effectiveness of garlic for lowering cholesterol, 81 subjects Were treated with raw…

A: Given,sample size(n)=81sample mean(x¯)=0.3standard deviation(S)=20.9α=0.10

Q: The correlation between a response and an explanatory variable was calculated as part of a simple…

A: From the given data:   Null and Alternate Hypothesis:   H0: ρ=0HA: ρ≠0

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A: Answer:-

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Q: In a test of the effectiveness of garlic for lowering​ cholesterol,64 subjects were treated with raw…

A: Given: n = 64 d = 0.7 sd = 1.51 α = 0.01 Formula Used: Test-statistic-t = d-μdsdn

Q: In a test of the effectiveness of garlic for lowering cholesterol, 42 subjects were treated with…

A: Given that,The sample size  is 42.The sample mean  is 5.3.The sample standard deviation  is 18.5.The…

Q: In a test of the effectiveness of garlic for lowering cholesterol, 64 subjects were treated with raw…

A:

Q: In a test of the effectiveness of garlic for lowering cholesterol, 64 subjects were treated with raw…

A: To find: Test statistics P value   Final conclusion

Q: In a test of the effectiveness of garlic for lowering​ cholesterol, 49 subjects were treated with…

A: Given: d=before - afterd=0.8sd=15.5α=0.01

Q: in a test of the effectiveness of garlic for lowering cholesterol 45 subjects were treated with…

A: n=45, sample mean=46, sample standard deviations=15.5

Q: a test of the effectiveness of garlic for lowering​ cholesterol, 49 subjects were treated with raw…

A: Solution: Given information: n= 49 Sample size  xd= 0.7   Difference of sample mean sd= 18.8…

Q: When 89 people used the Atkins diet for one year, their mean weight change was 6.4 lb (based on…

A: We have given that,   mean weight change (x̄) = 6.4, standard deviation (s) = 6.8 and sample size…

Q: To measure the effect of microfinance on women empowerment, a random sample of women was taken and…

A: Solution The samples are dependent if the observations are paired as before and after.

Q: In a test of the effectiveness of garlic for lowering​ cholesterol, 49 subjects were treated with…

A: Let μ be the population mean levels of LDL cholesterol. The claim is that with garlic​ treatment,…

Q: In a test of the effectiveness of garlic for lowering​ cholesterol, 36 subjects were treated with…

A: From the provided information, Sample size (n) = 36 Sample mean (x̅) = 0.2 Sample standard deviation…

Q: In a test of the effectiveness of garlic for lowering cholesterol, 36 subjects were treated with raw…

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Q: Given that the researcher wants to be sure the mean difference in the change in hemoglobin levels…

A: Given data: Margin of error = 0.2 g/dL Standard deviation  = 1.2 g/dL To find the sample size

Q: c) Based on your answer to part (b), choose what can be conclu O Since the p-value is less than (or…

A: given, population mean (µ)  = 1.2 sample mean (x̄) = 0.1.5 sample standard deviation (s) = 0.7…

Q: Women are recommended to consume 1790 calories per day. You suspect that the average calorie intake…

A: Given Information: Hypothesized value of mean μ0=1790 Sample size (n) = 11 You suspect that the…

Q: Determine the P-value. O (Round to three decimal places as needed.)

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Q: Bone mineral density (BMD) is a measure of bone strength. Studies show that BMD declines after age…

A: The difference in mean between two groups can be given as can be given from the unpaired t-test. The…

Q: In a test of the effectiveness of garlic for lowering​ cholesterol, 36 subjects were treated with…

A:

Q: In a test of the effectiveness of garlic for lowering cholesterol, 42 subjects were treated with…

A: Since population standard deviation is unknown, Use t-distribution to find t-critical value. find…

Q: In a test of the effectiveness of garlic for lowering​ cholesterol, 4949 subjects were treated with…

A: Hypotheses and level of significance: Denote μ as the mean changes in the LDL cholesterol. The…

Q: In 16 women with diabetes, the morning blood sugar mean was 49.4  with a standard deviation of 24.0.…

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