DataDriven
LearnPracticeInterviewDiscussDailyJobs

The Spread

A easy Python interview practice problem on DataDriven. Write and execute real python code with instant grading.

Domain
Python
Difficulty
easy
Seniority
L4

Problem

Given a list of numbers, return the sample variance (sum of squared deviations divided by n-1), rounded to 2 decimals. Return 0.0 when fewer than 2 numbers.

Summary

Data spread around a center. The range matters.

Practice This Problem

Solve this Python problem with real code execution. DataDriven runs your Python code in a real environment and grades it automatically.

Related

  • All Practice Problems
  • Mock Interview Mode
  • Python Interview Questions
  • Data Engineering Interview Prep Guide
  • Daily Challenge
  • Data Engineering Lessons