Data Representation Quiz

Which of the following is an example of numerical data?

• Gender (Male/Female)

• Temperature (°C)

• City Name

• Customer ID

Which type of data representation is used in one-hot encoding?

• Numerical

• Categorical

• Image

• Graph

Bag-of-Words (BoW) is commonly used to represent which type of data?

• Time Series Data

• Text Data

• Image Data

• Graph Data

A grayscale image of 28x28 pixels (like MNIST digits) is represented as:

• A single integer

• A vector of 784 values

• A categorical variable

• A time series

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

• A patient's ECG signal

• A customer's gender

• A road network map

• A product's category

In graph data, nodes usually represent:

• Relationships

• Entities

• Weights

• Transactions only

Which data type best represents stock market prices over time?

• Image Data

• Categorical Data

• Time Series Data

• Graph Data

Word embeddings (like Word2Vec) are used to represent:

• Numerical Data

• Text Data

• Graph Data

• Time Series Data

In an e-commerce recommendation system, edges in graph data can represent:

• Colors of the product

• User-product interactions (purchase/click)

• Image pixels

• Text reviews only

Which of the following is an example of categorical data?

• Blood type (A, B, AB, O)

• Height of a student

• Daily temperature in Celsius

• Image pixel intensity