Test: AP Statistics

1.

There are four suspects in a police line-up, and one of them committed a robbery. The suspect is described as "abnormally tall". In this case, "abnormally" refers to a height at least two standard deviations away from the average height. Their heights are converted into the following z-scores:

Suspect 1: 2.3

Suspect 2: 1.2

Suspect 3: 0.2

Suspect 4: -1.2. 

Which of the following suspects committed the crime? 

Suspect 2

Suspect 4

Suspect 1

Suspect 3

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