12ENC - 1.0.*

Which of the following is an example of qualitative data?

• The number of cars sold
• Average monthly rainfall
• Customer feedback comments
• Temperature in Celsius

Answer explanation

Explore the difference between quantitative and qualitative data (1.1.0)

What best distinguishes quantitative from qualitative data?

• Quantitative data is descriptive, qualitative is numerical
• Qualitative data is measured in numbers, quantitative in words
• Quantitative data is numerical, qualitative is descriptive
• Both are only useful for surveys

Answer explanation

Explore the difference between quantitative and qualitative data (1.1.0)

Which data type would best represent qualitative data?

• Integer
• Boolean
• String
• Float

Answer explanation

Determine which data types are used to represent quantitative and qualitative data (1.2.0)

Which of the following is an example of ordinal data?

• Eye colour
• Customer satisfaction rated as 'poor', 'average', 'excellent'
• Weight in kilograms
• Number of website visits

Answer explanation

Explore nominal, ordinal, interval and ratio levels of measurement (1.3.0)

What is the key feature of ratio data compared to interval data?

• Ratio data lacks a true zero
• Ratio data is descriptive
• Ratio data includes a true zero point
• Ratio data cannot be used in scientific analysis

Answer explanation

Explore nominal, ordinal, interval and ratio levels of measurement (1.3.0)

Which method is considered passive data collection?

• Sending out surveys to participants
• Monitoring website traffic with analytics software
• Interviewing users about their preferences
• Conducting focus group discussions

Answer explanation

Investigate data sampling, including manual and computerised methods of active and passive data collection (1.4.0)

Which statement best describes reliable data?

• Data that is updated frequently
• Data that produces consistent results under the same conditions
• Data that is easy to collect
• Data collected using automated tools

Answer explanation

Assess the relevance, accuracy, validity and reliability of primary and secondary data (1.5.0)

What role does informatics play in understanding data?

• Informatics creates all charts automatically
• It structures, processes, and interprets data using information systems
• It replaces human judgment in all decisions
• It stores large files only

Answer explanation

Investigate how informatics supports the development of a deeper understanding of data (1.6.0)

Which presentation method is best for showing relationships in a social network?

• Bar graph
• Network diagram
• Histogram
• Pie chart

Answer explanation

Interpret and present data using graphs, infographics, dashboards, reports, network diagrams and maps (1.7.0)

Which is an example of an unstructured dataset?

• SQL database with customer orders
• CSV file of product inventory
• Email messages with varied formats
• Spreadsheet of test scores

Answer explanation

Investigate structured and unstructured datasets (1.8.0)