How do I solve this? ### Evaluation of Garlic's Effectiveness in Lowering Cholesterol#### Study OverviewIn 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 5.4 and a standard deviation of 15.6. Complete parts (a) and (b) below.**Resources Available:**- [t distribution table](#)- [Page 1 of the standard normal distribution table](#)- [Page 2 of the standard normal distribution table](#)### Questions#### a. Best Point Estimate of the Population Mean Net Change in LDL Cholesterol**Question:** What is the best point estimate of the population mean net change in LDL cholesterol after the garlic treatment?*The best point estimate is* ______ *mg/dL.* *(Type an integer or a decimal.)*#### b. 90% Confidence Interval Estimation of the Mean Net Change in LDL Cholesterol**Question:** 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?*### Answer SubmissionClick to select your answer(s).- [Save for Later](#)---*Note: The placeholders (______) indicate where user input is required. The links (e.g., [t distribution table](#)) are interactive elements meant for users to access additional resources needed to complete the tasks.* ---**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?\[ \_ \, \text{mg/dL} < \mu < \_ \, \text{mg/dL} \](Round to two decimal places as needed.)What does the confidence interval suggest about the effectiveness of the treatment?Click to select your answer(s).---The image depicts a portion of a question displayed on a laptop screen. There are no graphs or diagrams accompanying this text. Only text is present in the image. The questions are likely part of a statistics or biostatistics problem related to confidence intervals and the effectiveness of treatments.The context involves constructing a 90% confidence interval to estimate the mean net change in LDL cholesterol levels after using garlic as a treatment. The user is prompted to insert their calculated values for the lower and upper bounds of the 90% confidence interval for the population mean (denoted as μ). Additionally, the prompt asks the user to interpret what these confidence interval limits imply about the effectiveness of garlic in reducing LDL cholesterol.The provided Checkboxes and Save for Later options indicate that this is likely part of an online educational platform, where users can input or save their answers.---

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a. The best point estimate is 5.4 mg/dL. The best point estimate for the population mean net change…

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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 5.4 and a standard deviation of 15.6. Complete parts (a) and (b) below. Click here to view a t distribution table.

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 5.4 and a standard deviation of 15.6. Complete parts (a) and (b) below. Click here to view a t distribution table.

MATLAB: An Introduction with Applications

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Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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How do I solve this?

### Evaluation of Garlic's Effectiveness in Lowering Cholesterol

#### Study Overview
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 5.4 and a standard deviation of 15.6. Complete parts (a) and (b) below.

**Resources Available:**
- [t distribution table](#)
- [Page 1 of the standard normal distribution table](#)
- [Page 2 of the standard normal distribution table](#)

### Questions

#### a. Best Point Estimate of the Population Mean Net Change in LDL Cholesterol
**Question:** What is the best point estimate of the population mean net change in LDL cholesterol after the garlic treatment?

*The best point estimate is* ______ *mg/dL.*
*(Type an integer or a decimal.)*

#### b. 90% Confidence Interval Estimation of the Mean Net Change in LDL Cholesterol
**Question:** 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?*

### Answer Submission
Click to select your answer(s).

- [Save for Later](#)

---

*Note: The placeholders (______) indicate where user input is required. The links (e.g., [t distribution table](#)) are interactive elements meant for users to access additional resources needed to complete the tasks.*

---

**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?

\[ \_ \, \text{mg/dL} < \mu < \_ \, \text{mg/dL} \]
(Round to two decimal places as needed.)

What does the confidence interval suggest about the effectiveness of the treatment?

Click to select your answer(s).

---

The image depicts a portion of a question displayed on a laptop screen. There are no graphs or diagrams accompanying this text. Only text is present in the image. The questions are likely part of a statistics or biostatistics problem related to confidence intervals and the effectiveness of treatments.

The context involves constructing a 90% confidence interval to estimate the mean net change in LDL cholesterol levels after using garlic as a treatment. The user is prompted to insert their calculated values for the lower and upper bounds of the 90% confidence interval for the population mean (denoted as μ).

Additionally, the prompt asks the user to interpret what these confidence interval limits imply about the effectiveness of garlic in reducing LDL cholesterol.

The provided Checkboxes and Save for Later options indicate that this is likely part of an online educational platform, where users can input or save their answers.

---

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