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Unit 1 AoS1 - Data Analysis: Key Knowledge

Data and Information

  • types and purposes of qualitative and quantitative data
  • common data sources such as interviews, surveys, sensor data, census data and time-series data
  • data generated by artificial intelligence systems
  • characteristics of relevant data types:
  • text
  • numeric
  • Boolean

Data Quality, Privacy and Ethics

  • factors affecting data quality and information quality:
  • accuracy
  • bias
  • integrity
  • relevance
  • reliability
  • characteristics of data and information:
  • size
  • structure
  • accessibility
  • clarity
  • context
  • techniques for applying the Australian Privacy Principles when using, managing and communicating data
  • ethical issues such as lack of transparency, inaccurate or incomplete data, ownership and control of data, misuse of personal data, and repurposing data through AI systems
  • APA referencing for primary and secondary data sources

Requirements and Design

  • characteristics of functional and non-functional requirements, constraints and scope
  • design tools for representing the functionality and appearance of databases, spreadsheets and data visualisations:
  • IPO charts
  • annotated diagrams
  • mock-ups
  • query designs

Database and Spreadsheet Structures

  • structural characteristics of relational databases:
  • tables
  • queries
  • relationships using primary and foreign keys
  • structural characteristics of spreadsheets:
  • rows and columns
  • cells

Data Manipulation and Analysis

  • software functions and techniques for efficiently manipulating, validating and testing data
  • use of SQL to generate queries
  • spreadsheet functions to calculate descriptive statistics such as average, median, count and standard deviation

Data Visualisations

  • purposes of data visualisations for informing, educating, entertaining and persuading audiences
  • types of data visualisations such as infographics, poster series, dashboards, charts, graphs, maps and network diagrams
  • components of data visualisations:
  • text and graphics
  • tables
  • charts and graphs
  • formats and conventions suitable for databases, spreadsheets and data visualisations, including naming conventions, colours, fonts, images and icons