All answers must be rounded to 2 decimal places. Some studies show that people w

Question

All answers must be rounded to 2 decimal places.

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 ot tive adults consume nonalcoholic drinks, which they were told contained alcohol. The participants completed a standard driving test before drinking and then after one nonalcoholic drink and after five nonalcoholic drinks. A standard driving test was conducted in a school parking lot where the participarnts had to maneuver through traffic cones. The number of cones knocked over during each test was recorded. The following table lists the data for Lhis tiypolhetical stucly Driving Test After One After Five Before Drinks (a) Complete the F-table. (Round your answers to two decimal places.) Source of S5 df MS Fobt Variat Betweer groups persons Within groups (error) Total (b) Compute a Bonterroni procedure and interpret the results. (Assume experimentwise alpha equal to 0.05. Select all that apply.) Students knocked over signiticantly more cones after 5 nonalcoholic drinks compared with the driving test after 1 nonalcoholic drink. There were no signiticant differences between any of the groups. G Students knocked over significantly more cones after 1 nonalcoholic drink compared with the driving test prior to drinking Students knocked over significantly more cones after 5 nonalcoholic drinks compared with the driving test prior to drinking

Explanation / Answer

applying two way ANOVA:

b)

students knocked over significantly more comes after 5 nonalcohlic drink compared with the driving test after 1  nonalcohlic drink

Source of Variation SS df MS F groups 8.4 2 4.2 6.81 please try 6.77 if this comes wrong) persons 20.27 4 5.07 8.22 please try 8.18 if tis comes wrong) Error 4.93 8 0.62 Total 33.6 14

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