MATH
5.1

# 5.1 - Assignment 5.1 1 To find the z-score for each score...

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Assignment 5.1 1. To find the z-score for each score you must subtract the mean score from the individual’s score and divide that answer by the standard deviation. Student English Test Grade Z-Score Student Math test Grade Z-Score John 82 82 86.5 3.42 =− Jim 81 81 81.75 2.50 = Julie 88 88 86.5 3.42 = .0 Jordan 85 85 81.75 2.50 = Samuel 90 90 86.5 3.42 = 1 Saye 79 79 81.75 2.50 = Tonya 86 86 86.5 3.42 =− Lisa 82 82 81.75 2.50 = Mean 86.50 81.75 St. Dev. 3.42 2.50 2. Lisa preformed better on her respective test. She had a z-score of 0.10 on her math test where Tonya had a z-score of -.15 on her English test. 3. To predict the raw score for a student whose z-score on the math test was a .
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