Chapter 2 Test Your Knowledge Questions
What is a data set?
A collection of sets of information made up of separate elements but can be manipulated as one by a computer.
What is the difference between a format and a convention?
A formant is a is a way data can be represented. A convention is a standard way of formatting data.
What is usually depicted in an annotated diagram?
A visual depiction of how graphic solutions should look.
What is a graphic representation?
A visual diagram that show the interdependencies between variables.
What does the acronym IPO stand for? Explain what each component means.
An Input-Process-Output chart (IPO Chart) is used to define what an input needs to be, what and output needs to be, and what steps need to be undertaken to process data into information.
List five different software packages that could be used to create an infographic.
Canva, Piktochart, Infogram, Easel.ly, Adobe Photo Editing Suite
Describe the context of each of these three graphic representations and how they could best be used.
Column graphs are useful when representing discrete data. Line graphs are useful to show changes of a variable, or multiple variables over a certain period of time. Pie Charts are useful to represent percentages of a whole and how it is broken up.
Find three different types of graphic representations suitable for educating, persuading and informing audiences.
Common graphic representations can be show as column charts, line chart and pie charts.
What should be considered when undertaking completeness testing?
Does the graphic representation provide the information required? Is the graphic representation clearly and accurately labelled? Will the intended users easily find what they need?
Describe the types of data you would use in an infographic.
Infographics are used to show the relationship numerical data has with other numerical data.
What is one result of an unreliable graphic solution?
It and cause confusion and incorrect information about a topic.
Select one of the infographics from question 2 and comment on the data that is displayed in terms of the clarity of the message and the evidence provided to support the case.
Pie Charts can clearly represent how what percentages of a set of data is broken up into different categories or sections.
List five conventions that are used in graphic representations.
Titles, Text Styles, Shapes, Sources of Data and Colours
Why is testing undertaken?
To check that what is produced meets the specified need and fulfills the specified purpose.
What do you need to ensure by undertaking relevance testing?
To make sure that responses give useful data that answers questions asked.
How would you test an infographic?
To test an infographic, you would check each key component of the infographic with a list made during the development process. You would check how effective it can get a job done.
What is validation? Identify two ways to perform validation.
Validation is the process of testing data to see whether it is reliable or not. It can be done automatically or manually. Automatic validation can be when an answer is tested whether or not it's numerical when it needs to be. Manual validation is checking responses to see whether it is relevant.
