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In a test of the effectiveness of garlic for lowering cholesterol, 50 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 5.7 and a standard deviation of 16.5. 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 of garlic in reducing LDL cholesterol? Click here to view at distribution table

In a test of the effectiveness of garlic for lowering cholesterol, 50 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 5.7 and a standard deviation of 16.5. 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 of garlic in reducing LDL cholesterol? Click here to view at distribution table

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
Section: Chapter Questions
Problem 25SGR
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K In a test of the effectiveness of garlic for lowering cholesterol, 50 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 5.7 and a standard deviation of 16.5. 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 of garlic in reducing LDL cholesterol? Click here to view at distribution table Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. What is the confidence interval estimate of the population mean μ? mg/dL <μ< mg/dL (Round 1 two decimal places as needed.) CID
Transcribed Image Text:K In a test of the effectiveness of garlic for lowering cholesterol, 50 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 5.7 and a standard deviation of 16.5. 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 of garlic in reducing LDL cholesterol? Click here to view at distribution table Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. What is the confidence interval estimate of the population mean μ? mg/dL <μ< mg/dL (Round 1 two decimal places as needed.) CID
n 3 on 4 on 5 tion 6 stion 7 stion 8 estion 9 estion 10 Jestion 11 in mo coluo tum D α S Left tail Critical t value (negative) Right tail Degrees of Freedom 1 2 3 4 5 6 7 8 9 10 10 11 12 13 14 15 16 17 t Distribution: Critical t Values 0.005 0.01 63.657 9.925 5.841 4.604 4.032 3.707 3.499 3.355 3.250 3.169 3.106 3.055 3.012 2.977 2.947 2.921 2.898 Print 0.01 0.02 31.821 6.965 4.541 3.747 3.365 3.143 2.998 2.896 2.821 2.764 2.764 2.718 2.681 2:00! 2.650 2:090 2.624 2.602 2.583 2.567 AFFA Done Area in One Tail 0.025 Area in Two Tails 0.05 12.706 4.303 3.182 2.776 2.571 2.447 2.365 2.306 2.262 2.262 2228 2.228 2.201 2.201 2 179 2.179 2.160 2.145 2.145 2.131 2.120 2.110 0.05 0.10 6.314 2.920 2.353 2.132 2.015 1.943 1.895 1.860 1.833 1.812 1.796 1.782 1.771 1.761 1.753 1.746 1.740 0.10 0.20 3.078 1.886 1.638 1.533 1.476 1.440 1.415 1.397 1.383 1000 1.372 e 1.363 1.303 1.356 1.350 1.345 1.341 1.337 1.333 13 14 15 Degrees of Freedom 1 16 10 11 12 17 8 6 7 0 9 5 2 3 4 the treatment. The an net change in Question Viewer
Transcribed Image Text:n 3 on 4 on 5 tion 6 stion 7 stion 8 estion 9 estion 10 Jestion 11 in mo coluo tum D α S Left tail Critical t value (negative) Right tail Degrees of Freedom 1 2 3 4 5 6 7 8 9 10 10 11 12 13 14 15 16 17 t Distribution: Critical t Values 0.005 0.01 63.657 9.925 5.841 4.604 4.032 3.707 3.499 3.355 3.250 3.169 3.106 3.055 3.012 2.977 2.947 2.921 2.898 Print 0.01 0.02 31.821 6.965 4.541 3.747 3.365 3.143 2.998 2.896 2.821 2.764 2.764 2.718 2.681 2:00! 2.650 2:090 2.624 2.602 2.583 2.567 AFFA Done Area in One Tail 0.025 Area in Two Tails 0.05 12.706 4.303 3.182 2.776 2.571 2.447 2.365 2.306 2.262 2.262 2228 2.228 2.201 2.201 2 179 2.179 2.160 2.145 2.145 2.131 2.120 2.110 0.05 0.10 6.314 2.920 2.353 2.132 2.015 1.943 1.895 1.860 1.833 1.812 1.796 1.782 1.771 1.761 1.753 1.746 1.740 0.10 0.20 3.078 1.886 1.638 1.533 1.476 1.440 1.415 1.397 1.383 1000 1.372 e 1.363 1.303 1.356 1.350 1.345 1.341 1.337 1.333 13 14 15 Degrees of Freedom 1 16 10 11 12 17 8 6 7 0 9 5 2 3 4 the treatment. The an net change in Question Viewer
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