A Graphical Tool Typically Associated with the Display of Key

question 60

Multiple Choice

A graphical tool typically associated with the display of key performance indicators is a

• A) side-by-side bar chart.
• B) stem-and-leaf display.
• C) stacked bar chart.
• D) data dashboard.

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Definitions:

Test Statistics

A standardized value that is calculated from sample data during a hypothesis test and is used to determine whether to reject the null hypothesis.

Distributions

A statistical term describing all the possible values and their associated frequencies for a data set or variable.

Type II Error

A statistical error that occurs when a false null hypothesis is not rejected, meaning a true effect is missed.

Chi-Squared Distribution

A probability distribution used in hypothesis testing that is applicable to categorical data and tests of independence.