Interview Q&A / Data Science

INTERVIEW Q&A · 56 QUESTIONS

Data Science interview questions

Statistics, pandas, cleaning data and exploratory analysis for analyst and data science roles.

  1. How does Bayes theorem work? Explain with a medical test example.

    Bayes theorem updates a probability using new evidence: P(A|B) = P(B|A) x P(A) / P(B). It shows that a positive result from an accurate test can still mean a low chance of disease when the disease is rare.

    IntermediateQuick answer1 min read