More Student Success Project Results
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Transcript of More Student Success Project Results
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More Student Success Project Results
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The Bivariate Normal
Distribution
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An Overhead View of Bivariate
Normal Distribution with
Contours
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Level Curves of theBivariate Normal
Distribution
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The Two Dimensional Analog of a 75%
Confidence Interval
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Math 51 Success
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Regression Line, and Axis of Symmetry
Q4: The Trend Followers!
Q2: The Trend Followers!
Q1: The Trend Breakers!
Q3: The Trend Breakers!
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Math 50 Success
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r = –0. 514, t = –4.275 p-value = 0.00008
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r = –0.414, t = –3.248p-value = 0.0021
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Math 71 Success and Subsequent
Math 130 Success
r = –0.263, t = –1.784 p-value = 0.0814
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Math 160 Success and Subsequent
Math 180 Success
r = –0.202, t = –0.744 p-value = 0.4699
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Math 180 Success and Subsequent
Math 181 Success
r = –0.169 , t = –0.569 p-value = 0. 5809
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r = –0.413 , t = –1.109 p-value = 0. 3095
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LOYD, RENE
Success Rate Pair: (0.76, 0.74)Absolute Error Pair: (0.04, 0.06)Sample Size Pair: (225, 82)
Plotting Individual Instructor Results with Error Bars
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Note Success Rate Pairs for a Given Professor
Bouncing Around!
Be Careful in Making Conclusions!