An experiment was designed to compare lengths of time that four
different drugs provided pain relief following surgery. The results
(in hours) are shown the table below
DRUG
A B C D
12 16 8 14
14 16 10 14
11 14 10 12
12 14 10
is there enough evidence to reject the null hypothesis that there is no significant
in lengths of pain relief for the four drugs at
alpha= 0.05
Answers: 3
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An experiment was designed to compare lengths of time that four
different drugs provided pain relie...
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