Quiz on Data Basics for Machine Learning

What is data in the context of machine learning?

• A hardware component

• A programming language

• A type of algorithm

• Information collected from the world

What is structured data?

• Data that is only numerical

• Data that is only textual

• Data organized in rows and columns

• Data without a specific format

Which of the following is an example of unstructured data?

• Bank transactions

• Social media text data

• Student attendance sheets

• Sales records

What type of data includes both input and correct output?

• Unlabeled Data

• Structured Data

• Labeled Data

• Unstructured Data

Which of the following is an example of numerical data?

• Chat messages

• Product reviews

• Photos

• Sales amounts

What is a dataset in machine learning?

• A collection of data for training models

• A hardware component

• A type of algorithm

• A programming language

What are features in a dataset?

• The correct answers the model predicts

• The attributes used for predictions

• The raw data collected

• The algorithms used for training

What is the label in a dataset?

• The data source

• The type of data

• The correct answer or outcome

• The input information

Why is the quality of a dataset important?

• It affects the programming language used

• It defines the type of data collected

• It impacts the performance of the model

• It determines the size of the dataset

Which of the following is an example of time-series data?

• Stock prices over time

• Customer purchase history

• Product reviews

• Images of products