Provide an Appropriate Response $95 \%$ Confidence Interval for the Population Standard Deviation

question 76

Multiple Choice

Provide an appropriate response.
-Construct a $95 \%$ confidence interval for the population standard deviation $\sigma$ of a random sample of 15 crates which have a mean weight of $165.2$ pounds and a standard deviation of $12.7$ pounds. Assume the population is normally distributed.

• A) \(( 9.3,20.0 )\)
• B) \(( 86.5,401.1 )\)
• C) \(( 2.6,5.6 )\)
• D) \(( 9.8,18.5 )\)

---

Definitions:

Transactions

The action or process of conducting business or an instance of buying or selling in a market.

Sales Engineer

A professional who combines technical knowledge with sales skills to provide advice and support on a range of products.

Industrial Straight Rebuy

This term refers to a purchasing situation in which a business customer routinely reorders a product without any modifications.

Missionary Salesperson

A sales representative whose primary role is to promote the firm’s products indirectly, often by educating those who influence potential buyers, rather than making direct sales.