DA and ML

DA and ML

University

10 Qs

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DA and ML

DA and ML

Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

ML-76 Reni Fatarina Handayani

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a common data analytics tool?

Microsoft Excel

Python programming language

Adobe Photoshop

Tableau

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main goal of descriptive analytics?

To predict future trends

To summarize and understand past data

To optimize business processes

To identify cause-and-effect relationships

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of data cleansing in data analytics?

To make data more messy

To remove valuable insights from data

To share data with unauthorized users

To prepare data for analysis by correcting errors and inconsistencies

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statistical measure is used to describe the variability or spread of a dataset?

Mean

Median

Mode

Standard deviation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of feature engineering in machine learning?

To build physical robots that can learn from experience

To engineer features in a dataset to improve model performance

To create complex mathematical models

To visualize data using graphs and charts

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which algorithm is commonly used for classification tasks in machine learning?

Support Vector Machine (SVM)

Linear regression

K-means clustering

Principal Component Analysis (PCA)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary goal of supervised learning in machine learning?

To uncover hidden patterns and structures in data

To make predictions based on labeled data

To explore large datasets and identify trends

To automate decision-making processes

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