Data Science Quiz

Data Science Quiz

University

25 Qs

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Data Science Quiz

Data Science Quiz

Assessment

Quiz

Computers

University

Practice Problem

Medium

Created by

Saranya P

Used 2+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a type of data?

Numerical

Categorical

Ordinal

All of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is data preprocessing?

Process of creating new data

Process of cleaning and preparing data for analysis

Process of deleting unwanted data

Process of visualizing data

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a type of data visualization?

Histogram

Scatter Plot

Bar Chart

Data Cleaning

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does data cleaning involve?

Removing duplicate records

Filling missing values

Correcting inconsistencies

All of the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a common data transformation technique?

Normalization

Tokenization

Visualization

None of the above

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of data integration?

To clean data

To combine data from multiple sources

To delete unnecessary records

To visualize data

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is an example of attribute selection?

Removing irrelevant attributes

Adding new attributes

Changing data types

None of the above

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