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Z-scores in Educational field MCQ

In a small data sample (N = 20), what can we say about a z-score of 2.37?

Answer

Correct Answer: It is significant at p < .05

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Below is a histogram of ratings of Britney Spears’s CD, Britney. What can we say about the data from this histogram?

Answer

Correct Answer: The modal score is 5.

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