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1. You want to compare Glen's ACT Math score with his SAT Math score. Find the z-scores for each using the following information and formula.

1. You want to compare Glen's ACT Math score with his SAT Math score. Find the z-scores for each using the following information and formula.

ACT:

Mean = 21 SD = 5.8 Glen's score (X) = 24

SAT:

Mean = 528 SD = 117 Glen's score (X) = 640

2. Is there a difference between the z-scores? If so, what are some possible reasons for this? (You MUST use statistical reasoning, and MAY ALSO use psychological reasoning and other factors).

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