Download - Education: Insights from data
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INSIGHTS FROM DATA
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DETECT ANOMALIES
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Richard QuinnStrategic Management, UCF
“The exam was running at a grade and a half higher than it had ever run before... You don’t see that kind of grade improvement by chance.”
Series1
Series1
Summer2010
Mid-term
Fall2010
Mid-term
“A bimodal distribution exists when an external force is applied to the dataset that creates a systematic bias.”
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SEE THE REAL IMPACT OF POLICY
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ENGLISH
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SOCIAL SCIENCE
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LANGUAGE
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SCIENCE
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0 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60 63 66 69 72 75 78 81 84 87 90 93 96 990
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MATHEMATICS
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1 5.5%2 4.3%3 2.3%4 0.9%5 0.3%6 0.1%
MATHEMATICS 3.08%COMMERCE 0.80%ACCOUNTANCY 0.33%PHYSICS 0.26%ECONOMICS 0.21%HISTORY 0.19%
How many subjects do students fail in?What contributes to single failures?
PHYSICS MATHEMATICS 0.79%PHYSICS CHEMISTRY 0.77%CHEMISTRY MATHEMATICS 0.55%COMMERCE ACCOUNTANCY 0.29%ENGLISH COMMERCE 0.17%BIOLOGY MATHEMATICS 0.14%
Two-subject failures
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WHAT DETERMINES PERFORMANCE?
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Subject Girs higher by Girls BoysPhysics 0 119 119Chemistry 1 123 122English 4 130 126Computers 6 137 131Biology 6 129 123Mathematics 11 123 112Language 11 152 141Accounting 12 138 126Commerce 13 127 114Economics 16 142 126
PERFORMANCE: GIRLS VS BOYS
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Based on the results of the 20 lakh students taking the Class XII exams at Tamil Nadu over the last 3 years, it appears that the month you were born in can make a difference of as much as 120 marks out of 1,200.
June borns score the
lowest
The marks shoot up for Aug borns
… and peaks for Sep-borns
120 marks out of 1200
explainable by month of birth
An identical pattern was observed in 2009 and 2010…
… and across districts, gender, subjects, and class X & XII.
“It’s simply that in Canada the eligibility cutoff for age-class hockey is January 1. A boy who turns ten on January 2, then, could be playing alongside someone who doesn’t turn ten until the end of the year—and at that age, in preadolescence, a twelve-month gap in age represents an enormous difference in physical maturity.”
-- Malcolm Gladwell, Outliers
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BIG DATA REQUIRES RICHER VISUALS
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MONITORING
EFFECTIVELY
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MONITORING
EFFECTIVELY
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Jain
Harini
Shweta
Sneha Pooja
Ashwin
Shah
Deepti
Sanjana
Varshini
Ezhumalai
Venkatesan
Silambarasan
Pandiyan
Kumaresan
Manikandan
Thirupathi
Agarwal
Kumar
Priya
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FIND HIDDEN CORRELATIONS
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COMPARING PERFORMANCE
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EMBRACE AND LEARN FROM DATA
USE IT TO DRIVE YOUR DECISIONS