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Some studies show that people who think they are intoxicated will show signs of intoxication, even if they did not consume alcohol. To test whether...

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Screen Shot 2018-03-31 at 6.12.13 PM.png

Some studies show that people who think they are intoxicated will show signs of intoxication, even if they did not consume alcohol. To test whether this is true, researchers had a group of
five adults consume nonalcoholic drinks, which they were told contained alcohol. The participanls completed a standard driving test before drinking and then aflzer one nonalcoholic drink
and after five nonalcoholic drinks. A standard driving test was conducted in a school parking lot where the participanls had to maneuver through traffic cones. The number of cones
knocked over during each test was recorded. The following table lists the data for this hypothetical study. (b) Compute a Bonferroni procedure and interpret the results. (Assume experimentwise alpha equal to 0.05. Select all that apply.) [3 Students knocked over significantly more cones after 5 nonalcoholic drinks compared with the driving test after 1 nonalcoholic drink. [3 Students knocked over significantly more cones after 5 nonalcoholic drinks compared with the driving test prior to drinking. [3 Students knocked over significantly more cones after 1 nonalcoholic drink compared with the driving test prior to drinking. D There were no significant differences between any of the groups.

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BEFORE drink after 1 after 5 0 0 3 0 2 2 1 2 3 3 3 5 0 1 0 sum 4 8 13 Xbarj = sum/nj 0.800 1.600 2.600 Xbar =  1.666667... View the full answer

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