Which of the Following Statements About Fiber-Optic Cable Is Not

question 29

Multiple Choice

Which of the following statements about fiber-optic cable is not true?

• A) It consists of twelve or sixteen strands of glass.
• B) It is thinner and lighter than coaxial or twisted pair cable.
• C) It enables better data security than coaxial cable.
• D) There are thousands of miles of installed fiber-optic cable in the United States that are not being used.

---

Definitions:

Groups

Sets of subjects or variables categorized together for analysis or study.

Null Hypothesis

A hypothesis that states there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.

Groups

In research, these refer to sets of subjects or items that have been separated based on characteristics or treatment conditions for analysis.

Chi-square Statistic

A statistical measure used in the chi-square test to evaluate the difference between observed and expected frequencies in one or more categories.