Suppose You Are Testing the Null Hypothesis That a Population

question 9

Multiple Choice

Suppose you are testing the null hypothesis that a population mean is less than or equal to 80, against the alternative hypothesis that the population mean is greater than 80.The sample size is 49 and alpha =.05.If the sample mean is 84 and the population standard deviation is 14, the observed z value is ___.

• A)2
• B)-2
• C)14
• D)-14
• E)49

---

Definitions:

Sales Growth Rate

A measure of the increase in sales over a specific period, usually expressed as a percentage.

Financial Statements

Structured reports detailing the financial activities and condition of a business, including balance sheet, income statement, and cash flow statement.

Sustainable Growth Rate

The maximum rate at which a company can grow its earnings without needing to increase financial leverage or equity financing.

Financial Ratios

Quantitative measures used to assess various aspects of a company's financial health and performance.