AP+Statistics+Chapter+5+Section+2

AP+Statistics+Chapter+5+Section+2 - AP Statistics Chapter 5...

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AP Statistics Chapter 5 Section 2
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Surveys Consider these things: Bias poor wording confusion on your part as how to answer the question, overall appearance (spelling, grammar, etc.) Can you tell the purpose of the survey? Have you been given directions about answering the questions? Is it clear how the data will be used? Anonymous? Confidential?
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Vocab 1. Observational Study 2. Experiment 3. Experimental units, subjects 4. Treatment 5. Factors 6. Placebo effect 7. Control group 8. Three Principles of Statistical Design 9. Statistically significant 10. Hidden bias 11. Double blind experiment 12. Lack of realism 13. Block design 14. Matched pairs design
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Instant Breakfast A food company assesses the nutritional quality of a new “instant breakfast” product by feeding it to male rats. The response variable is the rat’s weight gain over a 28- day period. A control group of rats eats a standard diet but otherwise receives exactly the same treatment as the experimental group. The experiment has one factor – the diet of the rats.
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Instant Breakfast
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SRS OF RATS
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This note was uploaded on 04/10/2011 for the course MATH 1070 taught by Professor Akbas during the Fall '08 term at Georgia State University, Atlanta.

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AP+Statistics+Chapter+5+Section+2 - AP Statistics Chapter 5...

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