Exhibit 20

question 8

Multiple Choice

Exhibit 20.7.A marketing firm needs to replace its existing network provider,and is considering three different providers.A primary consideration is the amount of system down time.The following table contains the amount of network down-time (in hours) for the last five months for each network provider. Refer to Exhibit 20.7.For the Kruskal-Wallis test,the competing hypotheses are:

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Definitions:

Web Link

A reference or pointer, usually in the form of a URL, that directs browsers to a specific web page or location on the internet.

Combo Box Wizard

In software development, a combo box wizard is a tool that assists users in creating a combo box—a GUI element that combines a dropdown list or list box with a single-line textbox, allowing the user to select an item from the list or enter a new one.

Combo Box

A user interface control that combines a dropdown list or list box and a single-line textbox, allowing the user to select an item from the list or enter their own choice.

Command Button

A graphical control element that triggers an event or action when clicked by the user.