Data Science 🐍 Classification

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Information Technology (IT), Architecture
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12th Grade - University
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between supervised and unsupervised learning?
Neither uses labeled data.
Unsupervised learning uses labeled data, while supervised learning does not.
Both use labeled data but in different ways.
Supervised learning uses labeled data, while unsupervised learning does not.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is semi-supervised learning?
A method that does not involve any data.
A method that uses only labeled data.
A method that uses a mix of labeled and unlabeled data.
A method that uses only unlabeled data.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of supervised learning, what type of classifier was used to recognize numbers?
Support Vector Classifier
Logistic Regression
K-Nearest Neighbors
Decision Tree
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which classification method is known for being simple and fast, often used in spam filtering?
Logistic Regression
Neural Networks
Naive Bayes
K-Nearest Neighbors
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which classifier is known for using more memory but providing accurate results by considering neighboring data points?
Naive Bayes
K-Nearest Neighbors
Support Vector Classifier
Logistic Regression
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common use of logistic regression in machine learning?
As an output layer in neural networks
For clustering data
For unsupervised learning
For generating random forests
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key feature of the Gaussian mixture model in unsupervised learning?
It requires labeled data.
It provides a continuous prediction of certainty.
It is only used for clustering images.
It uses decision trees for classification.
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