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8.3 Exit Ticket Z-Score

Last updated about 1 year ago
3 questions
Z Score Fomula

Jamal got a 73 on a math test where the class average was 65 with a standard deviation of 4. His friend, Bethany, is in a different math class with a different teacher. Bethany got an 81 on her math test where the class average was 79 with a standard deviation of 2.

Find their z-scores to determine who did better on their math test.
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1

What is Jamal's z-score for his math test?

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What is Bethany's z-score for her math test?

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Who did better on their math test? Explain using their z-scores. (just write the name)