One descriptive statistic is dispersion. Which of the following is not a measure of dispersion?

This is considered a major distraction while driving:

a. listening to online music services b. listening to terrestrial radio c. texting while driving d. all of these answers e. none of these answers

What often is used on-site is a simple evaluation form. It may be handed to attendees at the presentation and either collected at the door or left behind on tables

Indicate whether the statement is true or false