Chapter 9 - Chapter 9 Hypothesis Testing Chapter 9 1...

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Chapter 9 1 Chapter 9 Hypothesis Testing
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Chapter 9 2 Airline Statistics What do airline passengers consider important? A survey of airline passengers showed that the most important thing when flying is: A) safety B) being on time C) good food D) no lost luggage
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Chapter 9 3 In 2006, US airlines mishandled 6 out of every 1000 bags checked for air travel. One airline, FlyFast, found that 54% of their mishandled bag incidents were related to baggage transfer. FlyFast recently installed an RFID (Radio Frequency Identification) system with the goal of decreasing the proportion of mistakes caused during transfer. After operating their new system for several months, FlyFast would like to know if the wireless system has been effective.
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Chapter 9 4 How can FlyFast use sample information to determine if the new system is effective? From a sample of 60 mishandled bags, FlyFast determines that 29 of the bags were mishandled due to transfer errors. Is the new system effective?
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Chapter 9 5 Hypothesis tests consist of a 1. Null hypothesis, H 0 :
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This note was uploaded on 06/01/2008 for the course MBAC 6030 taught by Professor Seward during the Fall '07 term at Colorado.

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Chapter 9 - Chapter 9 Hypothesis Testing Chapter 9 1...

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