Data Science and Machine Learning QUIZZ

1. Which of the following is a subset of Artificial Intelligence (AI) that focuses on systems that can learn from data?

• Machine Learning (ML)

• Deep Learning (DL)

• Natural Language Processing (NLP)

• Robotics

What distinguishes Deep Learning (DL) from traditional Machine Learning (ML)?

• DL requires less computational power than ML.

• DL can handle structured data, while ML cannot.

• DL uses neural networks with many layers to learn representations of data.

• DL does not require labeled data for training.

Which of the following tasks can be accomplished using Machine Learning (ML)?

• Image recognition

• Speech recognition

• Predictive analytics

• All of the above

What is the primary goal of data preprocessing in machine learning?

• To remove outliers

• To clean and prepare data for analysis

• To reduce the dimensionality of the data

• To visualize data distribution

Which of the following libraries is commonly used for data manipulation in Python?

• TensorFlow

• Pandas

• Scikit-learn

• Matplotlib

What is the process of finding patterns or relationships in data called?

• Data cleaning

• Data visualization

• Data analysis

• Data modeling

What is the purpose of the train-test split in machine learning?

• To separate categorical and numerical variables

• To evaluate model performance on unseen data

• To preprocess text data

• To visualize the data distribution

In machine learning, what does the term "overfitting" refer to?

• When the model performs well on the training data but poorly on unseen data

• When the model performs poorly on both training and test data

• When the model captures noise in the training data

• When the model converges too slowly during training

What is the purpose of feature scaling in machine learning?

• To normalize the feature values to a similar scale

• To remove irrelevant features from the dataset

• To increase the dimensionality of the dataset

• To perform feature selection

Which of the following statements is true about NumPy?

• NumPy stands for Numerical Python

• NumPy is primarily used for data visualization

• NumPy is exclusively used for machine learning algorithms

• NumPy is not compatible with Python