WorksheetsDataScience - 26
Total questions: 16
Worksheet time: 5mins
What is the goal of Machine Learning?
Write complex programs
Automate repetitive tasks
Learn from data and make predictions
Store large datasets
Which of the following is a type of Machine Learning?
Recursive Learning
Supervised Learning
Conditional Learning
Patterned Learning
Which ML type finds patterns in unlabeled data?
Unsupervised
Supervised Learning
Reinforcement
Semi-supervised
Reinforcement Learning uses:
Labels
Clusters
Rewards and Penalties
Decision Trees
In supervised learning, what is “label”?
An algorithm
A target output
A feature
A random guess
Which of the following is a classification algorithm?
Linear Regression
K-Means
PCA
Logistic Regression
Which is an example of supervised learning?
Spam Detection
Data Clustering
Customer Segmentation
Fraud Detection
Which algorithm is commonly used in unsupervised learning?
Logistic Regression
Naive Bayes
Decision Tree
K-Means Clustering
Which real-world task fits reinforcement learning?
Grouping customers
Teaching robots to walk
Forecasting sales
Classifying emails
Predicting house prices is an example of:
Classification
Clustering
Regression
Segmentation
Which ML type is used in a chess-playing AI?
Reinforcement
Semi-supervised
Unsupervised
Supervised
Which library is used to convert text into numerical format in Python ML?
Numpy
Pandas
CountVectorizer
Matplotlib
What does fit() do in machine learning?
Predicts outcome
Visualizes results
Preprocesses data
Trains the model
What does KMeans do in unsupervised learning?
Predict prices
Find clusters
Create labels
Remove outliers
Which Python library is used for clustering?
nltk
keras
seaborn
sklearn
Which library is used to handle arrays in Python?
pandas
numpy
keras
seaborn
