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 do you check whether data is normally distributed?

    Look first: a histogram and a Q-Q plot, where points hugging the straight line suggest normality. Then optionally confirm with a test such as Shapiro-Wilk, remembering that large samples reject for tiny, harmless deviations.

    IntermediateQuick answer1 min read