Question
A researcher is testing the effect of a new cold and flu medication on mental alertness. A sample of n = 9 college students is
A researcher is testing the effect of a new cold and flu medication on mental alertness.
A
sample of n = 9 college students is obtained and each student is given the normal dose of the
medicine.
Thirty minutes later, each student's performance is measured on a video game that
requires careful attention and quick decision making.
The scores for the nine students are as
follows:
6, 8, 10, 6, 7, 13, 5, 5, 3.
a.
Assuming that scores for students in the regular population average = 10, are the
data sufficient to conclude that the medication has a significant effect on mental
performance?
Test at the .05 level of significance
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