Multiple Choice
Twenty college students experience the effects of alcohol on reaction time.They perform very basic timed responses in a driving simulator both before and after consuming several alcoholic beverages.The researcher collects a reaction time result for each of the 20 students before and after intoxication, for a total of 40 measures.What are the degrees of freedom for this study?
A) 19
B) 20
C) 39
D) 40
Correct Answer:

Verified
Correct Answer:
Verified
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