Get Full Government Meeting Transcripts, Videos, & Alerts Forever!
Supervisor Hancock Cook urges caution on charts, sample size and AI when evaluating county data
Summary
Supervisor Hancock Cook told the Winnebago County Board to scrutinize axes, sample sizes and hypotheses behind charts, urged use of confidence intervals and recommended staff and Forward Analytics as resources for data evaluation.
At its meeting, the Winnebago County Board heard a presentation from Supervisor Hancock Cook urging officials to scrutinize data presentations for readability, sample size, statistical significance and bias.
Hancock Cook demonstrated common pitfalls in data visuals, including truncated y-axes that exaggerate differences and the absence of denominators for percentage values. "Can anybody read the y axis on this graph?"…
Already have an account? Log in
Subscribe to keep reading
Unlock the rest of this article — and every article on Citizen Portal.
- Unlimited articles
- AI-powered breakdowns of topics, speakers, decisions, and budgets
- Instant alerts when your location has a new meeting
- Follow topics and more locations
- 1,000 AI Insights / month, plus AI Chat
