problems

# problems - Problems in quantitative reasoning Jeanine Meyer

This preview shows pages 1–8. Sign up to view the full content.

Problems in quantitative reasoning Jeanine Meyer Mathematics/Computer Science

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Outline Background More women murdered on the job Health Screening (e.g., HIV) Cognitive Reflection Test 3 puzzles studies by Shane Frederick, MIT Discussion
Background Communicating Quantitative Information 'gen-ed' course using news stories to teach mathematics piloted Spring, 2005. 2 sections this semester newmedia.purchase.edu/~Jeanine/charts.html How do you all do in applying / using mathematics to understand issues of the day? When considering decision making, are the choices made by mathematically-able people the correct choices?

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
More women murdered on the job Headline for actual news stories a dozen years ago in the New York Times 93% of people who die 'on the job' are men 14% of the men are murdered; 40% of the women
What was the problem? Mis-use of percentages: comparing percentages with different bases Missing information: what killed the men?

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Observation Wrong, or, more typically incomplete information is common. This is good for pedagogy! Other topics for course include false positives in health screening polling lottery map projections trends in sports records
Health Screening Consider: HIV (or other) screening 300,000 people tested 1% have condition Test is 99% accurate at returning positive result when patient has condition Test is 98% accurate at returning negative

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 11/11/2011 for the course MATH 112 taught by Professor Jarvis during the Winter '08 term at BYU.

### Page1 / 25

problems - Problems in quantitative reasoning Jeanine Meyer

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online