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8.3 Exit Ticket Z-Score

By Miss Douglas
Last updated 3 months 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.
Required
1.

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

Required
2.

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

Required
3.

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