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Y12 EC Unit 1 Data Science Week 10 PreQuiz

Authored by Alex Song

Computers

12th Grade

Y12 EC Unit 1 Data Science Week 10 PreQuiz
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes machine learning?

A method to collect large datasets

A system that learns from data without explicit programming

A type of hardware used for data storage

A visualization technique used to display data

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Supervised learning

Unsupervised learning

Reinforcement learning

Manual learning

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In supervised learning, the model is trained using:

Labeled data

Unlabeled data

Data streams

Historical data only

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary goal of unsupervised learning?

To label data

To find hidden patterns in data

To reduce the size of data

To optimize algorithms

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following machine learning techniques is commonly used for prediction?

Decision trees

K-means clustering

Principal component analysis

Histogram analysis

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of statistical model is most commonly used in linear regression?

Gaussian distribution

Logistic function

Linear equation

Polynomial curve

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following algorithms is most commonly used for classification tasks?

K-nearest neighbors (KNN)

K-means

Linear regression

Principal component analysis (PCA)

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