Understanding Variability in Educational Data
Flashcard
•
Education
•
University
•
Medium
Masyhur Masyhur
Used 1+ times
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10 questions
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1.
FLASHCARD QUESTION
Front
What is variability in educational statistics?
Back
Variability shows how scores are spread out—whether they are close together or far apart.
2.
FLASHCARD QUESTION
Front
Why is variability important in education?
Back
It helps us see the full picture of student experiences, not just the average.
3.
FLASHCARD QUESTION
Front
What is the range in terms of variability?
Back
The range is the difference between the highest and lowest scores.
4.
FLASHCARD QUESTION
Front
What does variance measure?
Back
Variance measures how each score compares to the average by calculating the squared differences from the mean.
5.
FLASHCARD QUESTION
Front
What is standard deviation?
Back
Standard deviation is the average distance of scores from the mean, expressed in the original units.
6.
FLASHCARD QUESTION
Front
How can a small standard deviation be interpreted?
Back
A small standard deviation suggests that most students are scoring close to the average.
7.
FLASHCARD QUESTION
Front
What does a large standard deviation indicate?
Back
A large standard deviation indicates that scores are very different, suggesting some students may need extra help.
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