Live Education Quiz

1

What is data visualization?

A

Storing data in files

B

Representing data in graphical form

C

Deleting unwanted data

D

Writing algorithms

2

Which software is commonly used for basic data visualization?

A

Spreadsheet software

B

Operating system

C

Antivirus software

D

Compiler

3

Which of the following is an example of data?

A

Student marks list

B

Final report

C

Decision

D

Conclusion

4

What is the ultimate goal of analyzing data in data science?

A

To create colourful charts.

B

To make better decisions.

C

To collect as much data as possible.

D

To write long reports.

5

Data that has been collected but has not been processed or cleaned is called:

A

Final Data

B

Clean Data

C

Useful Data

D

Raw Data

6

What is the final stage of the data science life cycle?

A

Data collection

B

Data cleaning

C

Decision making or deployment

D

Data visualization

7

What is the purpose of decision making in data science?

A

To collect more data

B

To take actions based on insights

C

To clean data

D

To visualize data

8

What helps users quickly grasp complex data?

A

Raw tables

B

Long text

C

Data visualization

D

Manual calculations

9

Which chart is most suitable for continuous data?

A

Line chart

B

Pie chart

C

Bar chart

D

Table

10

What is the main purpose of Data Visualization?

A

To store data in a database.

B

To make the computer run faster.

C

To represent data graphically for easy understanding.

D

To write complex algorithms.

11

Which data science step comes just before decision making?

A

Data visualization

B

Data collection

C

Data cleaning

D

Data storage

12

What is often the first step in the Data Science Life Cycle?

A

Data Acquisition (getting the data).

B

Building a website for the data.

C

Selling the final results.

D

Presenting the conclusion.

13

The process of removing errors and inconsistencies from data is called?

A

Data Cleaning.

B

Data Collection.

C

Data Modeling.

D

Data Visualization.

14

Which stage comes after data collection?

A

Data cleaning

B

Data visualization

C

Deployment

D

Decision making

15

What is the first stage of the data science life cycle?

A

Data visualization

B

Data collection

C

Model deployment

D

Data cleaning

16

What is Data Science mainly about?

A

Getting knowledge and insights from data.

B

Creating computer hardware.

C

Designing websites.

D

Writing computer programs only.

17

What does data collection involve?

A

Presenting data in charts

B

Gathering raw data from sources

C

Deleting data

D

Printing reports

18

Which visualization helps identify relationships between variables?

A

Pie chart

B

Bar chart

C

Scatter plot

D

Table

19

Which visualization is best for showing frequency distribution?

A

Histogram

B

Pie chart

C

Line chart

D

Map

20

Why is data visualization important?

A

It increases storage size

B

It makes data easier to understand

C

It deletes duplicate data

D

It hides information

21

A chart that shows data as a circle divided into slices is called a...?

A

Line graph.

B

Bar chart.

C

Pie chart.

D

Flowchart.

22

Which stage uses charts and graphs?

A

Data cleaning

B

Data visualization

C

Data collection

D

Data storage

23

Which chart is best for showing parts of a whole, like the percentage of students who like different fruits?

A

Line chart

B

Scatter plot

C

Flowchart

D

Pie chart

24

Which chart is best for showing trends over time?

A

Pie chart

B

Line chart

C

Bar chart

D

Table

25

Which of these is a common type of chart used for data visualization?

A

A text document.

B

An audio file.

C

A computer program.

D

A bar chart.

26

Which visualization is best for comparing percentages?

A

Pie chart

B

Line chart

C

Scatter plot

D

Histogram

27

Which chart shows parts of a whole?

A

Line chart

B

Bar chart

C

Pie chart

D

Scatter plot

28

What is data science mainly concerned with?

A

Writing computer games

B

Extracting knowledge from data

C

Repairing hardware

D

Designing websites

29

What does qualitative data describe?

A

Numbers only

B

Measurements

C

Qualities or characteristics

D

Calculations

30

What does a pie chart mainly show?

A

Exact values

B

Parts of a whole

C

Trends

D

Relationships

31

In which stage of the data science life cycle are models built to find patterns?

A

Data Analysis

B

Data Collection

C

Problem Definition

D

Data Deletion

32

Which data type is based on categories like colors or names?

A

Quantitative

B

Numerical

C

Qualitative

D

Statistical

33

Which of the following is a data visualization tool?

A

Spreadsheet charts

B

Compiler

C

Antivirus

D

Text editor

34

What type of data is represented using numbers?

A

Qualitative data

B

Quantitative data

C

Text data

D

Image data

35

What is the final stage of the data science life cycle where the results are shared with others?

A

Data Acquisition

B

Data Preparation

C

Communication / Visualization

D

Asking a question

36

What is raw data?

A

Processed information

B

Final results

C

Unprocessed facts

D

Graphs and charts

37

Why is data cleaning necessary?

A

To add errors

B

To improve data quality

C

To increase file size

D

To slow processing

38

The process of cleaning and organizing raw data to make it suitable for analysis is called:

A

Data Deletion.

B

Data Preparation.

C

Data Guessing.

D

Data Hiding.

39

What kind of chart uses dots to show data points?

A

Bar chart

B

Line chart

C

Scatter plot

D

Pie chart

40

Which step helps stakeholders understand results easily?

A

Data visualization

B

Data collection

C

Data cleaning

D

Data storage

41

A map showing the population in different cities of a country is an example of:

A

Data Visualization.

B

A text document.

C

A computer program.

D

A spreadsheet formula.

42

Which stage involves interpreting results?

A

Data collection

B

Data cleaning

C

Data analysis

D

Data storage

🎉 Practice Complete!