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DEA Week 12

Authored by kev kev

Computers

9th - 12th Grade

Used 2+ times

DEA Week 12
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20 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the primary objective of data mining?

Data visualization

Finding useful patterns in data

Data storage

Data retrieval

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of the following is NOT considered a data mining technique?

Classification

Clustering

Descriptive statistics

Regression

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What does the term "nontrivial process" in data mining refer to?

Simple calculations

Complex algorithms and iterations

Data storage

Data visualization

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of the following is a key characteristic of patterns found through data mining?

Redundant

Previously known

Potentially useful

Uninterpretable

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which type of data mining involves uncovering hidden patterns in unlabeled data?

Supervised

Unsupervised

Directed

Inferential

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the main difference between classification and regression in data mining?

Classification deals with numeric output, regression with categorical

Regression deals with numeric output, classification with categorical

Both deal with categorical output

Both deal with numeric output

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of the following algorithms is used for classification?

K-Means

Linear Regression

Logistic Regression

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