Live Education Quiz

1

Which step converts raw data into useful information?

A

Data cleaning

B

Data analysis

C

Data storage

D

Data collection

2

Which stage focuses on presenting findings?

A

Data cleaning

B

Data visualization

C

Data collection

D

Data storage

3

Which stage comes after data collection?

A

Data cleaning

B

Data visualization

C

Deployment

D

Decision making

4

What is data visualization?

A

Storing data in files

B

Representing data in graphical form

C

Deleting unwanted data

D

Writing algorithms

5

Which of the following is a data visualization tool?

A

Spreadsheet charts

B

Compiler

C

Antivirus

D

Text editor

6

Which stage involves removing errors and inconsistencies from data?

A

Data collection

B

Data cleaning

C

Data visualization

D

Data storage

7

Which of the following is a common way to visually represent data?

A

Writing a long paragraph.

B

Creating a bar chart.

C

Recording an audio file.

D

Sending a text message.

8

Which visualization helps identify relationships between variables?

A

Pie chart

B

Bar chart

C

Scatter plot

D

Table

9

Which software is commonly used for basic data visualization?

A

Spreadsheet software

B

Operating system

C

Antivirus software

D

Compiler

10

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

11

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.

12

What is meant by data analysis?

A

Collecting data

B

Storing data

C

Examining data to draw conclusions

D

Deleting data

13

What is the main purpose of Data Visualization?

A

To make data more complicated.

B

To hide the important facts in data.

C

To use as many colors as possible.

D

To help understand trends and patterns easily.

14

Which stage uses charts and graphs?

A

Data cleaning

B

Data visualization

C

Data collection

D

Data storage

15

Which of the following is a source of data?

A

Survey

B

Printer

C

Monitor

D

Speaker

16

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.

17

Which visualization is best for showing frequency distribution?

A

Histogram

B

Pie chart

C

Line chart

D

Map

18

What is raw data?

A

Processed information

B

Final results

C

Unprocessed facts

D

Graphs and charts

19

What does a bar chart display?

A

Trends over time

B

Categories and values

C

Geographic data

D

Random data

20

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.

🎉 Practice Complete!