Round 2: Research & innovation

Data & statistics

100

Data that has not yet been organized

Raw data

200

Statistical term for the average of a set of numbers

Mean

300

Which team member is known as the “data wizard”?

Alla

400

The middle value in a sorted dataset

Median

500

How many years of data are covered in the 2026 overall report?

9

Research methods

100

Researchers use this type of review to see what previous studies have found on a topic

Literature review

200

This section of a research report is usually written last, even though it appears first

Executive summary

300

In research, this smaller group is selected to represent a larger population

Sample

400

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

500

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)

AI & innovation

100

ChatGPT is an example of this type of AI

Generative AI

200

When AI provides incorrect information confidently

Hallucination

300

What is the name of CRA’s internal AI, which only a few team members have access to?

Genni

400

Which tax gap component uses AI in its estimation?

CIT large (machine learning)

500

This type of AI acts like a digital assistant by making decisions and completing tasks based on a user’s behalf

Agentic AI

Project management

100

The person responsible for keeping projects organized and moving forward

Project manager

200

Before major reports are published, they require this type of sign-off from senior management 

Approval

300

Someone with an interest in the project’s outcome

Stakeholder

400

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

500

Without looking, how many main tabs are in the tax gap team’s OneNote

12

Fun with numbers

100

In terms of active team members today, how many full time employees does the tax gap team have?

7

200

In 2022, the overall gross tax gap was this percentage of federal tax revenue

16%

300

How many tax gap studies have been published to date?

8

400

How many major tax types are included in the overall tax gap report?

4

500

In PDF format, how many pages are in the second overall tax gap report?

72