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. What is the difference between standard deviation and standard error?

    Standard deviation describes how spread out individual data points are. Standard error describes how much a sample statistic, usually the mean, would vary from sample to sample, and equals SD divided by the square root of n.

    BeginnerQuick answer1 min read