check

Data Literacy Fundamentals Sample Exam

This 40-question, multiple-choice sample exam is designed to help students assess their readiness for the "Data Literacy Fundamentals" certification. The questions cover key topics such as understanding data, interpreting and analyzing data, and applying data-driven decision-making. By taking this sample exam, students can gauge their knowledge, identify areas that need further study, and build confidence for the official exam.

Click the button below to start the Data Literacy Fundamentals sample exam.

Start

Question 1 of 40

Question 1

 

Which data visualisation technique is best used to display population growth over time?

A

Histogram

B

Line graph

C

Heatmap

D

Pie chart

Question 2 of 40

Question 2

 

What is the primary role of the Data Protection Officer in the Data Ethics Committee?

 

A

To ensure that the Committee is well-led and that meetings are well-organized.

B

To provide guidance on legal and regulatory issues

C

To provide technical expertise on data management, data security and data privacy.

D

To ensure that data-related policies are consistent with ethical and legal standards.

Question 3 of 40

Question 3

 

Which measure of central tendency is the middle value in a data set when all values are ordered in ascending or descending order?

 

A

The mean

B

The median

C

The mode

D

The standard deviation

Question 4 of 40

Question 4

 

Fill in the missing word:

 

A ___________________ is a graphical representation of data where individual values are represented as colours.

A

Histogram

B

Line chart

C

Scatter plot

D

Heatmap

Question 5 of 40

Question 5

 

Which of the following statements about storytelling with data is/are true?

 

1. A good data story should have a clear structure, with a beginning, middle and end that builds towards the story’s goal.

2. A good data story should be targeted to a specific audience.

A

Only statement 1 is correct

B

Only statement 2 is correct

C

Both statements are correct

D

Both statements are false

Question 6 of 40

Question 6

 

What statement about an enterprise data lake is true?

A

A data lake stores data in its raw and native format.

B

A data lake only stores structured data.

C

A data lake only stores unstructured data.

D

A data lake resides on local storage.

Question 7 of 40

Question 7

 

What is Structured Query Language (SQL)?

A

A programming language for data visualisation.

B

A programming language for managing and manipulating relational databases.

C

A machine learning language.

D

A data cleaning and data wrangling application.

Question 8 of 40

Question 8

 

Why is it important to have a data-literate workforce?

A

It empowers an organisation to make sense of data to make more informed decisions.

B

It ensures the organisation can meet regulatory requirements for data privacy.

C

It empowers an organisation to build better machine-learning models.

D

It ensures that people in the organisation know how to read the data security policy.

Question 9 of 40

Question 9

 

What is the primary purpose of encryption in data security?

A

To detect unauthorised access to a network or system.

B

To convert data into code to protect it from unauthorised access.

C

To recover from a security incident.

D

To block access to a specific network.

Question 10 of 40

Question 10

 

Which of the following is NOT a major data privacy law or regulation?

A

The General Data Protection Regulation (GDPR)

B

California Consumer Privacy Act (CCPA)

C

Health Insurance Portability and Accountability Act (HIPAA)

D

The Enterprise Big Data Framework (EBDF)

Question 11 of 40

Question 11

 

Which of the following statements about the variance and the standard deviation is / are true?

 

1. The variance is expressed in the same unit as the original data.

2. The standard deviation is the square root of the variance.

 

A

Only statement 1 is correct

B

Only statement 2 is correct

C

Both statements are correct

D

Both statements are false

Question 12 of 40

Question 12

 

An organisation wants to determine the distribution dollars spent during Christmas. The organisation is most interested in the difference in spending between men and women. Which data visualisation technique could best be used to display this difference?

 

A

Heatmap

B

Line graph

C

Box plot

D

Pie chart

Question 13 of 40

Question 13

 

Which of the following will NOT determine which data visualisation you can best select?

A

The data type you need to present.

B

The audience you are presenting to.

C

The context in which the data visualisation will be presented.

D

The data visualisation tool you are working with.

Question 14 of 40

Question 14

 

What is the primary reason that data-driven organisations are more agile?

 

A

Data-driven organisations can quickly respond to changes in the market by using data to identify trends.

B

Data-driven organisations can increase customer satisfaction because they understand customer data better.

C

Data-driven organisations can meet regulatory requirements faster by analysing risk.

D

Data-driven organisations can attract more talent than traditional organisations.

Question 15 of 40

Question 15

 

Which of the following describes the “non-maleficence” principle in data ethics?

A

Individuals should be treated with dignity, and their privacy should be respected.

B

Data collection and use should be done in a way that maximises benefits.

C

The collection and use of data should not cause harm to individuals or society.

D

Individuals and organisations should be transparent about their data practices.

Question 16 of 40

Question 16

 

Which data storytelling technique uses conversations to help bring characters to life and create to create a more engaging story?

A

Conflict and resolution

B

Dialogue

C

Symbolism and metaphor

D

Setting

Question 17 of 40

Question 17

 

The photos of X-Rays in a hospital are completed with the name of the patient, their date of birth and blood type. What is the data type of this descriptive data?

A

Structured Data

B

Unstructured Data

C

Metadata

D

Personal Data

Question 18 of 40

Question 18

 

Fill in the missing word:

 

_________________ is the process of transforming, aggregating and merging data from

multiple sources so that it becomes useful for data analysis.

A

Data cleaning

B

Data wrangling

C

Data privacy

D

Data security

Question 19 of 40

Question 19

 

Which data visualisation technique is BEST used to display the average income per person per state in the U.S.?

A

Line graph

B

Scatter plot

C

Map

D

Pie chart

Question 20 of 40

Question 20

 

Which data quality metric measures whether data does not duplicate other data in the organisation?

A

Accuracy

B

Completeness

C

Validity

D

Uniqueness

Question 21 of 40

Question 21

 

At which data literacy level is an organisation that does not have the capability to collect, store or analyse data and that is unconvinced about the value of data?

A

Data Unaware

B

Data Aware

C

Data Capable

D

Data Proficient

Question 22 of 40

Question 22

 

Which of the following is NOT a critical consideration in data storytelling?

A

Understanding your audience and what they care about.

B

Choosing the right visualisations and charts to represent your data.

C

Using clear and concise language.

D

Understanding who has the authority to make decisions.

Question 23 of 40

Question 23

 

How is a single record of data within a data set referred to?

A

Variable

B

Value

C

Observation

D

Sample

Question 24 of 40

Question 24

 

What would be a good example of a sampling bias?

A

A researcher asks random people on the street about their sports habits.

B

A researcher only asks university professors about their sports habits.

C

A researcher asks only females about their sports habits.

D

A researcher uses pen and paper and some of the written responses are not legible.

Question 25 of 40

Question 25

 

Which visualisation displays the relationship between two numerical variables?

A

Bar chart

B

Line graph

C

Scatter plot

D

Box plot

Question 26 of 40

Question 26

 

Suppose that a dataset has 10 different variables. Which type of visualisation could BEST be used to showcase important correlations between different variables quickly?

A

Line graph

B

Box plot

C

Map

D

Heat Map

Question 27 of 40

Question 27

 

Which of the following statements about data ethics is/are true?

 

1. Organizations that have demonstrated commitment to ethical data use are more likely

to earn customer trust and respect.

2. Proper application of data ethics can be safeguarded by establishing data ethics policies.

A

Only statement 1 is correct

B

Only statement 2 is correct

C

Both statements are correct

D

Both statements are false

Question 28 of 40

Question 28

 

Complete the missing word(s):

 

A clear _____________ can help to keep the story organized and focused, and provide a sense of progression and momentum.

A

Plot structure

B

Point of view

C

Conflict

D

Resolution

Question 29 of 40

Question 29

 

Which of the following is the FIRST step in the data analysis process?

A

Collect and prepare the data

B

Define the problem and objectives

C

Explore the data

D

Model the data

Question 30 of 40

Question 30

 

A data set with 220.000 houses contains a column that lists in which of the 50 States the house is located. What kind of data is in the column with States?

A

Numerical data

B

Categorical data

C

Image data

D

Geospatial data

Question 31 of 40

Question 31

 

What does the kurtosis of a data set indicate?

A

Whether a data set is balanced around its centre

B

The symmetry of the data set

C

The asymmetry of the data set

D

The peakedness or flatness of the data set

Question 32 of 40

Question 32

 

Which of the following statements about privacy is/are true?

 

1. Data privacy is the right of organisations to control, use and disclose the data of its users.

2. Data privacy is closely related to data ethics because it involves respect for individuals’ rights and dignity.

A

Only statement 1 is correct

B

Only statement 2 is correct

C

Both statements are correct

D

Both statements are false

Question 33 of 40

Question 33

 

What is the indication of a persona that represents an individual who is skilled in working with data and has experience using analytical tools and techniques?

A

A data novice

B

A data explorer

C

A data analyst

D

A data steward

Question 34 of 40

Question 34

 

The stock market is characterised by the value of a stock at a specific moment in time. Which data aspect of data quality indicates the degree to which data is current and up to date?

A

Accuracy

B

Completeness

C

Validity

D

Timeliness

Question 35 of 40

Question 35

 

Which of the following is NOT a data cleaning technique?

A

Merging data from different sources

B

Outlier detection and correction

C

Missing values imputation

D

Duplicate records removal

Question 36 of 40

Question 36

 

Which data visualization is BEST used to display the percentage of tickets sold to children, students, adults, and retirees?

A

Bar chart

B

Histogram

C

Pie chart

D

Line graph

Question 37 of 40

Question 37

 

A picture taken by a photographer is appended with data that contains the file format (.jpeg), the resolution of the photo and its compression.

 

What type of metadata is appended to the picture?

A

Descriptive metadata

B

Administrative metad

C

Technical metadata

D

Structural metadata

Question 38 of 40

Question 38

 

Which of the following is important in creating clear visualisations?

A

Labels

B

Legends

C

Annotations

D

All of the above

Question 39 of 40

Question 39

 

Complete the missing word(s):

 

A data privacy policy should outline an Individual's right to _________________ their personal information.

A

Access, correct or delete

B

View and evaluate

C

Share

D

Hide

Question 40 of 40

Question 40

 

Which of the following would be an appropriate way in which organisations can enforce data ethics policies?

A

Conducting regular audits and monitoring how data is used

B

Ensuring all employees pass the data literacy fundamentals exam

C

Communicating that everyone who breaches the data ethics policy will be fired

D

Responding yearly to any data ethics breaches

Confirm and Submit