A Researcher Wishes to Determine Whether There Is a Difference

question 51

Multiple Choice

A researcher wishes to determine whether there is a difference in the average age of middle school, highschool, and college teachers. Teachers are randomly selected. Their ages are recorded below. Find the teststatistic F to test the hypothesis that there is no difference in the average age of each group. Use α = 0.01. $$\begin{array} { c c c } \hline \text { Middle School Teachers } & \text { High School Teachers } & \text { College Teachers } \\\hline 23 & 36 & 45 \\28 & 38 & 45 \\27 & 41 & 36 \\37 & 47 & 61 \\52 & 42 & 39 \\25 & 31 & 35 \\\hline\end{array}$$

• A) 2.517
• B) 2.913
• C) 3.189
• D) 4.312

---

Definitions:

Acid-Test Ratio

A financial metric that assesses a company's ability to cover its short-term liabilities with its most liquid assets.

Company

A business entity established by a collection of people to conduct and manage an enterprise, whether it's for commercial or industrial purposes.

Current Ratio

A measure of a corporation's capability to meet obligations due in less than one year, found by dividing its total current assets by its total current liabilities.

Company

A company is a legal entity formed by a group of individuals to engage in and operate a business—commercial or industrial—enterprise.