Data Science Basics
What programming language is most commonly used in data science?
Python
What is the average of numbers called?
Mean
Which company created the GPT models?
OpenAI
Which company uses recommendation systems for movies and shows?
Netflix
Copilot AI is developed by which company?
Microsoft
What is the process of analyzing data to extract useful insights called?
Data analysis
What value splits a dataset into two equal halves?
Median
What type of learning uses labeled data?
Supervised learning
Which company uses data science to recommend products online?
Amazon
Claude AI is created by which company?
Anthropic
What do we call a structured collection of data?
Dataset
What measure shows how spread out data is?
Variance / Standard deviation
What AI field focuses on understanding human language?
Natural Language Processing (NLP)
What technology allows self-driving cars to analyze surroundings?
Computer Vision
Which company invested billions into OpenAI and integrated it into Copilot?
Microsoft
What is the process of removing errors or inconsistencies from data called?
Data cleaning
What does correlation measure?
Relationship between two variables
What algorithm is often used for classification problems?
Logistic Regression
What do banks use machine learning for to detect suspicious transactions?
Fraud detection
Which company created the data science platform Kaggle?
What is the step where we explore data using graphs and statistics?
Exploratory Data Analysis (EDA)
If correlation is close to 1, what does it mean?
Strong positive relationship
What type of model is inspired by the human brain?
Neural networks
What system predicts what you may want to watch or buy next?
Recommendation system
Which AI defeated the world champion in the game Go in 2016?
AlphaGo