Three drugs were tested by selecting four groups of volunteers (10 people in each group) and comparing the skilled performance of three groups, each on a dosage of one of the drugs, with that of a control (placebo) group, who had ingested a neutral substance. Source df SS MS F Brand 30 - Error 180 - Total - Complete the partial ANOVA table and give the null and alternative hypotheses to be tested by these data. Assuming all assumptions are reasonable, draw conclusions concerning the aypotheses.

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Three drugs were tested by selecting four groups of volunteers (10 people in each group) and
comparing the skilled performance of three groups, each on a dosage of one of the drugs, with
that of a control (placebo) group, who had ingested a neutral substance.
Source
df
SS
MS
F
Brand
30
-
Error
180
Total
Complete the partial ANOVA table and give the null and alternative hypotheses to be tested
by these data. Assuming all assumptions are reasonable, draw conclusions concerning the
hypotheses.
Transcribed Image Text:Three drugs were tested by selecting four groups of volunteers (10 people in each group) and comparing the skilled performance of three groups, each on a dosage of one of the drugs, with that of a control (placebo) group, who had ingested a neutral substance. Source df SS MS F Brand 30 - Error 180 Total Complete the partial ANOVA table and give the null and alternative hypotheses to be tested by these data. Assuming all assumptions are reasonable, draw conclusions concerning the hypotheses.
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