Exhibit 13

question 50

Multiple Choice

Exhibit 13.5 A police chief wants to determine if crime rates are different for four different areas of the city (East(1) ,West(2) ,North(3) ,and South(4) sides) ,and obtains data on the number of crimes per day in each area.The one-way ANOVA table and Tukey's confidence intervals are shown below. Refer to Exhibit 13.5.At the 1% significance level,the conclusion from Tukey's confidence intervals is:

• A)Cannot conclude the mean number of crimes differs for West and East
• B)Cannot conclude the mean number of crimes differs for West and South
• C)Cannot conclude the mean number of crimes differs for South and North
• D)Cannot conclude the mean number of crimes differs for West and North

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Definitions:

Confirmation Bias

A predisposition to identify, comprehend, prioritize, and recollect facts in ways that corroborate one’s existing beliefs or suppositions.

Overconfidence Bias

The tendency for an individual to overestimate their abilities, knowledge, or performance capabilities.

Hindsight Bias

The tendency to believe, after learning an outcome, that one would have foreseen it, often referred to as the "I-knew-it-all-along" effect.

Pragmatics

The branch of linguistics focused on the ways in which context contributes to meaning, including how speakers use and understand statements.