Use the Given Degree of Confidence and Sample Data to Construct

question 128

Multiple Choice

Use the given degree of confidence and sample data to construct a confidence interval for the population mean µ. Assume that the population has a normal distribution.
-To find the standard deviation of the diameter of wooden dowels, the manufacturer measures 19 randomly selected dowels and finds the standard deviation of the sample to be s = 0.16. Find the 95% confidence interval for the population standard deviation ?.

• A) \(0.13 < \sigma < 0.22\)
• B) \(0.15 < \sigma < 0.21\)
• C) \(0.12 < \sigma < 0.24\)
• D) \(0.11 < \sigma < 0.25\)

---

Definitions:

Employee

An individual who works part-time or full-time under a contract of employment, providing their services in exchange for compensation.

Independent Contractor

An individual or entity contracted to perform work for another party without being subject to the hiring party's control over the details of the work's performance.

Reimbursement

Compensation for money already spent or costs incurred by an individual, typically by their employer or another organization.

Employment

A formal relationship between an employer and an employee where the employee performs work or services in exchange for compensation.