Data Science Quiz

See where your data science skills stand in 10 minutes across stats, SQL, ML, and monitoring. Get a free 16 question snapshot with real world scenarios and a clear knowledge band, no sign up.

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Questions: 1610 minutes

Hi! My name is Freudly, i am an AI therapist, I will give you an interpretation of the test after you complete it.

08:30

July 22, 2026

July 22, 2026
Material has been updated

July 22, 2026
Material has been published

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3 completions

10 likes

Verified by Daniel Hall

Psychologist with 25 years of experience

Scale Explorer

How the Scales are Structured

example score

6/16

Data Science Knowledge (DSK)

Measures your overall knowledge of core data science concepts across statistics, data preparation, SQL, modeling, experimentation, and monitoring.

Foundations to build

Developing knowledge

Strong knowledge

0 – 6: Foundations to build | 7 – 12: Developing knowledge | 13 – 16: Strong knowledge

A score of 6 places you in the Foundations to build band, suggesting you recognize some ideas but may benefit from reviewing core concepts and practice.

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DATA-BASED USER COHORTS

Who Usually Takes This Test?

Aspiring data scientists

44%OF USERS

People learning data science use it to check whether they understand core concepts across stats, coding, and modeling before applying them in real projects.

Analysts expanding skills

33%OF USERS

Business or data analysts take it to gauge readiness for more advanced work like experimentation, SQL-heavy analysis, and basic machine learning.

Working data practitioners

23%OF USERS

Data scientists and engineers use it as a quick refresher to spot gaps in areas like data preparation, evaluation, and model monitoring.

BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.

Benchmarking

See How You Compare

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.

Data Science Knowledge (DSK)

Average

4.4

Normal range

1.7 — 7.1

min.

max.

Majority

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.

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CLEAR ANSWERS TO COMMON QUESTIONS

Frequently Asked Questions

What does this quiz measure?

It measures knowledge of common data science skills, including statistics, data preparation, SQL, machine learning, experimentation, and model monitoring. Results are reported in three knowledge bands.

How long does it take to complete?

Estimated completion time is about 10 minutes. Time varies by reading speed and familiarity with the topics.

How many questions are included?

The quiz contains 16 questions. Items include core concepts and practical scenarios.

Is this a certification or a hiring assessment?

No. It is a brief educational check and does not provide a credential or a professional evaluation.

Is registration required to take the quiz?

No sign-up is required. The quiz can be taken without creating an account.

WHAT THE TEST MEASURES

About This Assessment

Data Science Quiz - Symptoms and Signs

Test your grasp of the skills commonly used in data science, from statistics and data preparation to SQL, machine learning, experimentation, and model monitoring. This free 16-question quiz combines core concepts with practical scenarios, then places your total in one of three knowledge bands. It is a quick educational check rather than a professional certification or hiring assessment, and no sign-up is required.

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