Data & statistics
Data that has not yet been organized
Raw data
Researchers use this type of review to see what previous studies have found on a topic
Literature review
ChatGPT is an example of this type of AI
Generative AI
The person responsible for keeping projects organized and moving forward
Project manager
7
Statistical term for the average of a set of numbers
Mean
This section of a research report is usually written last, even though it appears first
When AI provides incorrect information confidently
Hallucination
Before major reports are published, they require this type of sign-off from senior management
Approval
In 2022, the overall gross tax gap was this percentage of federal tax revenue
16%
Which team member is known as the “data wizard”?
Alla
In research, this smaller group is selected to represent a larger population
Sample
What is the name of CRA’s internal AI, which only a few team members have access to?
Genni
Someone with an interest in the project’s outcome
Stakeholder
How many tax gap studies have been published to date?
8
The middle value in a sorted dataset
Median
The statistical technique used to project net tax gap estimates for more recent years when compliance and collections activities are not yet complete
Regression analysis
Which tax gap component uses AI in its estimation?
CIT large (machine learning)
This feature is Crystal’s preferred way to make it easier for team members to find documents, meeting notes, and project resources in OneNote
Hyperlinks
How many major tax types are included in the overall tax gap report?
4
How many years of data are covered in the 2026 overall report?
9
Which term appears the most often in the 2026 methodological annex: “data”, “tax gap”, “estimate”, “non-compliance/compliance”?
Estimate (248)
Tax gap (237), Data (149), Non-compliance/Compliance (147)
This type of AI acts like a digital assistant by making decisions and completing tasks based on a user’s behalf
Agentic AI
Without looking, how many main tabs are in the tax gap team’s OneNote
12
In PDF format, how many pages are in the second overall tax gap report?
72