In Developing an Interval Estimate for a Population Mean,the Population

question 2

Multiple Choice

In developing an interval estimate for a population mean,the population standard deviation σ was assumed to be 10.The interval estimate was 50.92 ± 2.14.Had σ equaled 20,the interval estimate would be

• A)60.92 ± 2.14
• B)50.92 ± 12.14
• C)101.84 ± 4.28
• D)50.92 ± 4.28

---

Definitions:

Net Sales

The amount of sales revenue remaining after deducting returns, allowances for damaged or missing goods, and discounts.

Gross Profit

The profit a company makes after deducting the costs associated with making and selling its products, or the costs associated with providing its services.

Cost Of Goods Sold

The direct costs attributable to the production of the goods sold in a company, including material and labor costs.

Liquidity Ratio

Financial metrics that measure a company's ability to meet its short-term obligations using its most liquid assets.