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15 questions from this quiz
Nominal
Repeated measures or matched pairs
The lower of the positive/negative signs
Equal to or less than
Ordinal with related design
When observed T ≤ critical value
Unrelated (independent groups)
When U ≤ critical value
They use actual scores not ranked scores
Data must be interval level
Observed t ≥ critical value
N - 1
Interval
Ordinal
Nominal with unrelated design
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