Y12 EC Data Science Wk2 L1

Multiple Choice

What role does informatics play in the development of a deeper understanding of data?

• It provides tools for data collection

• It is unrelated to data

• It complicates data analysis

• It only focuses on data storage

Multiple Select

How can data-driven approaches in medicine improve patient outcomes,?

• By enabling personalized treatment plans

• By predicting disease outbreaks

• By identifying risk factors through data analytics

• By ensuring data security

Multiple Choice

Which technology is primarily used to process large datasets in Big Data Analytics?

• • Spreadsheet software

• • Hadoop

• • Antivirus software

• • Personal databases

Multiple Choice

What is associated with the three words :velocity, volume and variety

• Large Files

• Databases

• Big Data

• Huge Data

Multiple Choice

________ is the process of examining very large and varied data sets.

• Machine Learning

• Data warehousing

• Big Data Analytics

• Cloud Computing

Open Ended

Discuss the ethical implications of using big data in healthcare. How can privacy concerns be balanced with the benefits of personalised medicine?

Multiple Select

What is the difference between informatics and data visualisation?

• Informatics is broader than data visualisation

• Data visualisation is a part of informatics

• Both are the same

• Data visualisation is not related to informatics

Multiple Choice

Which tools are used for data analysis according to the image?

• Statistical software

• Data mining

• Data management systems

• Data dashboards

Multiple Choice

What role does health informatics play in the interface between health and technology?

• It stores health data

• It predicts patient outcomes

• It improves health

• It runs advanced analytics

Multiple Select

What are the four stages in the life cycle of data in healthcare informatics?

• Created

• Stored

• Analysed

• Dispersed

Multiple Choice

What are the benefits of health informatics in patient care?

• Improves hospital outcomes

• Increases medication errors

• Reduces patient engagement

• Limits access to health data

Multiple Select

What are the popular types of graphs used for visualising quantitative data?

• Bar graphs

• Pie charts

• Line graphs

• Scatter plots

Multiple Choice

What is the purpose of Tableau dashboards?

• To present data insights in a compelling and interactive manner

• To create animated data visualizations

• To share reports with others

• To perform advanced analytics on data

Multiple Choice

Who invented the treemap visualization (hint, they were mentioned in an example figure in the readings)?

• Ben Shneiderman

• Johanna Beyer

• Tamara Munzner

• Martin Wattenberg

Multiple Choice

A collection of ready-made visuals, pre-arranged in dashboards and reports is called what in Power BI

• The canvas

• Scheduled Referesh

• An App

• Dashboard

Open Ended

Explain how network diagrams can be used to understand relationships in a network.

Multiple Choice

What is the main difference between structured and unstructured data?

• Structured data is easier to analyze

• Unstructured data is always numerical

• Structured data is less informative

• Unstructured data is organized in tables

Open Ended

What is the difference between structured and unstructured datasets?

Multiple Choice

Which of the following is a characteristic of Big Data often referred to as the "3 Vs"?

• • Velocity, Variety, and Veracity

• • Volume, Velocity, and Variety

• • Value, Verification, and Volume

• • Variety, Veracity, and Value

Multiple Choice

Data in the form of rows and columns is called_______

• Structured Data

• Unstructured Data

• Semi-structured Data

• Free structured

Multiple Choice

Which of the following characteristics is shown by Big Data.

• Value

• Volume

• Veracity

• All of these

Multiple Choice

Arranging the data in the form of rows and columns are called

• Structure

• Sheet

• Table

• Uniform

Multiple Choice

What is unstructured data and how does it differ from structured data?

• Data with a specific format

• Data that is easy to process

• Data that requires specialized tools

• Data that is always numerical

Multiple Choice

What are some examples of structured datasets commonly used in schools?

• Student enrolment data

• Test scores

• Attendance records

• All of the above

Multiple Choice

What does data privacy refer to?

• The process of protecting data from unauthorized access

• The ability of individuals to control or influence what information related to them may be collected and stored

• The analysis of data to find patterns and insights

• The graphical representation of data

Multiple Choice

Which of these is valuable data for a social media platform to share with companies?

• The photos and comments you post

• Any users the platforms suggests you follow

• The ads that appear in your feed

• Your password

Multiple Choice

What are some examples of unstructured datasets used in schools?

• Student essays

• Teacher comments

• Social media posts

• All of the above

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident