Linear Regression Quiz
In 10 minutes, see how well you understand simple linear regression, correlation, residuals, fit, assumptions, prediction, and interpretation. Includes 16 questions with quick math and real scenarios to sharpen how you read results.
08:30
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BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.
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Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.
Below is a preview of how scores are typically distributed across each scale.
Linear Regression Knowledge (LRK)
Linear Regression Knowledge (LRK)
Average
11.7
Normal range
8.7 — 14.7
min.
0
max.
16
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
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SAMPLE QUESTIONS
Example Questions From the Test
- Years per dollar
- Dollar-years
- Dollars per year
- A unitless proportion
- R² equals 1 − r.
- R² equals r only when the slope is positive.
- R² equals r².
- R² and r are unrelated because they use different variables.
- 17
- 12
- 16
- 7
WHAT THE TEST MEASURES
About This Assessment
Linear Regression Quiz - Symptoms and Signs
Test how well you understand simple linear regression, correlation, residuals, model fit, assumptions, prediction, and interpretation. These 16 questions mix core concepts with short calculations and practical analysis scenarios, helping you gauge whether you can reason about regression results rather than only recall terminology. Your score is a knowledge summary, not a professional credential. The quiz is free and requires no sign-up.
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