More Student Success Project Results
description
Transcript of More Student Success Project Results
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
0.25
0.30
0.35
0.40
0.45
0.50
0.55
0.60
0.65
0.70
0.75
0.80
0.85
0.90
Math 51 Success
Subs
eque
nt M
ath
71 S
ucce
ss
More Student Success Project Results
The Bivariate Normal
Distribution
An Overhead View of Bivariate
Normal Distribution with
Contours
y
Level Curves of theBivariate Normal
Distribution
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Math 51 Success
Subs
eque
nt M
ath
71 S
ucce
ss
The Two Dimensional Analog of a 75%
Confidence Interval
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Math 51 Success
Subs
eque
nt M
ath
71 S
ucce
ssAdding Means,
Regression Line, and Axis of Symmetry
Q4: The Trend Followers!
Q2: The Trend Followers!
Q1: The Trend Breakers!
Q3: The Trend Breakers!
0.3 0.4 0.5 0.6 0.7 0.8 0.90.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Math 50 Success
Subs
eque
nt M
ath
51 S
ucce
ssMath 50 Success and Subsequent Math 51 Success
r = –0. 514, t = –4.275 p-value = 0.00008
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Math 51 Success
Subs
eque
nt M
ath
71 S
ucce
ssMath 51 Success and Subsequent Math 71 Success
r = –0.414, t = –3.248p-value = 0.0021
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.90.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Math 71 Success
Subs
eque
nt M
ath
130
Succ
ess
Math 71 Success and Subsequent
Math 130 Success
r = –0.263, t = –1.784 p-value = 0.0814
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Math 160 Success
Subs
eque
nt M
ath
180
Succ
ess
Math 160 Success and Subsequent
Math 180 Success
r = –0.202, t = –0.744 p-value = 0.4699
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Math 180 Success
Subs
eque
nt M
ath
181
Succ
ess
Math 180 Success and Subsequent
Math 181 Success
r = –0.169 , t = –0.569 p-value = 0. 5809
0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
0.5
0.6
0.7
0.8
0.9
1.0
Math 181 Success
Subs
eque
nt M
ath
280
Succ
essMath 181 Success and Subsequent
Math 280 Success
r = –0.413 , t = –1.109 p-value = 0. 3095
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Math 51 Success
Subs
eque
nt M
ath
71 S
ucce
ss
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
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Math 51 Success
Subs
eque
nt M
ath
71 S
ucce
ss
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.90.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Math 71 Success
Subs
eque
nt M
ath
130
Succ
ess
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Math 180 Success
Subs
eque
nt M
ath
181
Succ
ess
Note Success Rate Pairs for a Given Professor
Bouncing Around!
Be Careful in Making Conclusions!