On a nationwide math test, the mean was 52 and the standard deviation was 4. If Roberto scored 85, what was his z-score? Use the formula Z = where u is the mean, o is the standard deviation, and x is...

On a nationwide math test, the mean was 52 and the standard deviation was 4. If Roberto scored 85, what<br>was his z-score?<br>Use the formula Z =<br>where u is the mean, o is the standard deviation, and x is Roberto's score.<br>Round to 4 decimal places.<br>

Extracted text: On a nationwide math test, the mean was 52 and the standard deviation was 4. If Roberto scored 85, what was his z-score? Use the formula Z = where u is the mean, o is the standard deviation, and x is Roberto's score. Round to 4 decimal places.

Jun 07, 2022

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On a nationwide math test, the mean was 52 and the standard deviation was 4. If Roberto scored 85, what was his z-score? Use the formula Z = where u is the mean, o is the standard deviation, and x is...

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