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Tico facts lesson_eva
- 1. Let’s Play the Facts “Are you 100% Sure?”
- 2. Fact About NTHU • The Ratio Between Male and Female Student is 6:4 in National Tsing Hua University. =This means you have a high chance of end up surrounded by Male students. (66.666…%)
- 3. Economics 1:1 動機系4/100 = 4%!!! (This really depends in which Department) 中文系1:10 外文系2:13 工工系1:1
- 6. Is there Something Wrong? • NTHU • Smokers • Guns • An average salary is a common victim of this fact usages.
- 7. Outline • Where is Statistic Facts Used • Avoiding o Critical Thinking o Common Knowledge • Simple Biases • Different Averages • Numbers • Figures • Activity • Questions
- 8. Who Uses Statistic Facts? • Newspapers • Magazines • Real Estate • Sellers • Text Books • Family • Friends • Everyone Does “We live in a fact minded culture”
- 9. Avoiding • Critical Thinking • Common Knowledge • Some Statistics Basis
- 10. Critical Thinking • Who says so – who is the one who is publishing the result? Do they have anything to gain from the result • How does he know – how did they measure this result? Was there any sampling bias? • Did someone change the subject – Are the cause and effect getting muddled? • Does it make sense?
- 11. Common Knowledge • Geography • Economy • Algebra • Cultural Differences • History • …..
- 12. Sample Bias • A Bias within the Sample Space (Tests) o Build In Bias • Honesty in Respondent • Pre-Selected Sample Space • Personal Pre-Perception • Unavailable Information with in a time
- 13. Which Magazine Do You Prefer to Read?
- 14. Another Way of Gathering Information
- 15. Averages • Different Type of Averages: o Arithmetic average / mean: sum of quantities divided by number of quantities (Grading: GPA) o Median: the middle point of the data which separates the data, the midpoint when data is sorted o Mode: the data point that occurs the most in a given set of data
- 17. “The Average You Mention is Mean, Median or Mode?” Don’t forget there is always a RANGE
- 18. Example of Average • Average pay of the employees is $1000, what does this mean? This makes most of us think that almost everyone makes around $2000 – the reader thinks it is the median. But, the corporation can be talking about an arithmetic mean, where the boss might be earning say $10,500 and the rest of the 19 employees earn $500 each – the arithmetic average.
- 19. 1 out of 33%0
- 20. How you Number it. • There 99% Chance you wont… • There is a 0.01 Chance… • There is a 1% Chance • 1 out 100 Student… • A Friend of your friend… (Getting Personal)
- 21. Figures VS Numbers “His Income Doubled”
- 22. Infographics
- 23. MAKE YOUR FACTS
- 24. Hipoptasitis • Arrived Asia: End of Summer • Deaths: 2,000 Adults & 400 Infants • Transmission 1 out of 40 • Side effect Risk 0.5%
- 25. HIP VACCINE SALES You really really want to sell this because is almost 200% of revenue!! Peace Keepers You believe this vaccine is unnecessary and actually the rate of getting this epithetic is very low. You believe that the risk of side effects is too high.
- 26. Review the Question • Who says so – who is the one who is publishing the result? Do they have anything to gain from the result? • How does he know – how did they measure this result? Was there any sampling bias? • Did someone change the subject – Are the cause and effect getting muddled? • Does it make sense?
- 27. Review • Common Mistakes? • Average? • Questions to be asked? • Using Numbers and Figures
- 28. Recommendation
Editor's Notes
- 80% Americans!!!? That would be scary but in reality most people that own, sell gun have hundreds and thousands. Salaries