Question: A psychologist wants to see how much distraction is created when drivers use a cellphone. To test this idea, she administers puts people in a driving simulator. One group uses a cell phone during the driving simulation. Another group just listens to the radio. A third group does not have any distractions present during the driving simulation. During the simulation the psychologist measures the number of "road/traffic cues" the subjects do not notice. The data (number of road/traffic cues missed by each subject) and intermediate values are shown below. Can the psychologist conclude that cellphones affect driving ability? (10 pts)

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