At the beginning and the end of the academic year their


Suppose a random sample of Hunter students is given additional assistance for an academic year. At the beginning and the end of the academic year their academic performance is measured by their GPA. To see whether the assistance has made a difference, what kind of test would we perform?

one tailed, independent samples
one tailed, paired samples
two tailed, paired samples
two tailed, independent samples

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Other Subject: At the beginning and the end of the academic year their
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