Machine Learning Quiz

What is the primary purpose of machine learning?

• To create static programs

• To design systems that learn from data

• To perform manual calculations

• To eliminate the need for data

In machine learning, what does classification help to identify?

• The average of a dataset

• The set of categories a new observation belongs to

• The total number of data points

• The relationship between variables

What type of problem is predicting the winner of an election?

• Classification

• Clustering

• Regression

• Data cleaning

What is a two-class classification problem?

• A problem that cannot be solved

• A problem with multiple outcomes

• A problem with two possible outcomes

• A problem with no classes

What does regression return as an output?

• A random value

• A categorical label

• A continuous output variable

• A discrete value

Which of the following is an example of a regression problem?

• Grouping similar movie genres

• Predicting sales numbers for next quarter

• Classifying types of flowers

• Identifying cancerous tumors

What does clustering help to do?

• Group similar data points

• Predict future outcomes

• Calculate averages

• Classify data into categories

In a classification problem, what does the outcome indicate?

• The relationship between variables

• The total number of observations

• The predicted class of an observation

• The average of the dataset

What is the main goal of regression analysis?

• To estimate relationships between variables

• To classify data points

• To group similar items

• To create visual representations

Which of the following is NOT a type of machine learning problem?

• Clustering

• Segmentation

• Regression

• Classification