Machine learning Quiz 2

K-Nearest Neighbors (KNN) is classified as what type of machine learning algorithm?

• Instance-based learning

• Parametric learning

• Non-parametric learning

• Model-based learning

Which type of machine learning algorithm falls under the category of “unsupervised learning”?

• a) Linear Regression

• b) K-means Clustering

• c) Decision Trees

• d) Random Forest

An artificially intelligent car decreases its speed based on its distance from the car in front of it. Which algorithm is used?

• a) Naïve-Bayes

• b) Decision Tree

• c) Linear Regression

• d) Logistic Regression

Which machine learning algorithm is commonly used for text classification tasks?

• a) K-means Clustering

• b) Random Forest

• c) Naïve-Bayes

• d) Support Vector Machines

11. Which of the following statements is false about Ensemble learning?

• a) It is a supervised learning algorithm

• 
  b) It is an unsupervised learning algorithm

• c) More random algorithms can be used to produce a stronger ensemble

• d) Ensembles can be shown to have more flexibility in the functions they can represent

Which machine learning algorithm is used for regression tasks?

• a) K-means Clustering

• b) Decision Trees

• c) Linear Regression

• d) Support Vector Machines

In which category does linear regression belong to?

• a) Neither supervised nor unsupervised learning

• b) Both supervised and unsupervised learning

• c) Unsupervised learning

• 
  d) Supervised learning

What is the purpose of the K-means Clustering algorithm in machine learning?

• a) Classification

• b) Regression

• c) Clustering

• d) Anomaly Detection

The learner is trying to predict housing prices based on the size of each house. The variable “size” is ___________

• a) dependent variable

• b) label set variable

• c) independent variable

• d) target variable

The target variable is represented along ____________

• a) Y axis

• b) X axis

• c) Either Y-axis or X-axis, it doesn’t matter

• d) Depends on the dataset