At the 0.05 significance level, can he conclude that the number of absences has declined? Hint: For the calculations, assume the “Before” data as the first sample.
1) Reject H0 if t >___
2) The test statistic is_____
At the 0.05 significance level, can he conclude that the number of absences has declined? Hint: For the calculations, assume the “Before” data as the first sample.
1) Reject H0 if t >___
2) The test statistic is_____
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