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INTRODUCTORY REVEIW
1. Inferential statistics are useful in that they tell us …
2. When do inferential statistics 'prove' things to be true?
3. Why should statistical formulas NOT be given to students?
4. Are computational formulas a good idea?
5. If you want your sample to have the highest probability of reflecting the characteristics of the
population, you should choose a _________________ sample size
6. Question parameters: Total doors
Initial choices
Doors revealed by host
On a game show, a car is hidden behind one of 3 doors. You randomly select 1 doors.
The host knows where the car is and then shows you 1 doors that have no car behind them.
What is the probability you win the car if you choose the remaining closed door?
7. If my experimental results showed that men scored 70 times as high on a measure as women,
will I be able to publish those results?
8. Where does probability come from?
9. A weatherman says there is a 30% chance of rain tomorrow, but in reality …
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 Spring '07
 Marken

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