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The mean IQ for the U.S. is 100 with a standard deviation of 15. A Troy statistics professor thinks Troy students are smarter than average, so he randomly samples 10 students and records the following IQ data to test his hypothesis. If Troy students really have higher IQ, what kind of statistical decision have we made? IQ: 95 100 105 110 115 100 105 110 105 105 O good decsion 1-beta good decision 1-alpha O type 1 error alpha O type 2 error beta

The mean IQ for the U.S. is 100 with a standard deviation of 15. A Troy statistics professor thinks Troy students are smarter than average, so he randomly samples 10 students and records the following IQ data to test his hypothesis. If Troy students really have higher IQ, what kind of statistical decision have we made? IQ: 95 100 105 110 115 100 105 110 105 105 O good decsion 1-beta good decision 1-alpha O type 1 error alpha O type 2 error beta

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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rive The mean IQ for the U.S. is 100 with a standard deviation of 15. A Troy statistics professor thinks Troy students are smarter than average, so he randomly samples 10 students and records the following IQ data to test his hypothesis. If Troy students really have higher IQ, what kind of statistical decision have we made? IQ: 95 100 105 110 115 100 105 110 105 105 O good decsion 1-beta good decision 1-alpha O type 1 error alpha O type 2 error beta
Transcribed Image Text:rive The mean IQ for the U.S. is 100 with a standard deviation of 15. A Troy statistics professor thinks Troy students are smarter than average, so he randomly samples 10 students and records the following IQ data to test his hypothesis. If Troy students really have higher IQ, what kind of statistical decision have we made? IQ: 95 100 105 110 115 100 105 110 105 105 O good decsion 1-beta good decision 1-alpha O type 1 error alpha O type 2 error beta
The mean IQ for the U.S. is 100 with a standard deviation of 15. A Troy statistics professor thinks Troy students are smarter than average, so he randomly samples 10 students and records the following IQ data to test his hypothesis. What decision should you make? IQ: 95 100 105 110 115 100 105 110 105 105 Oreject the null O accept the null fail to reject the null O accept the alternative O reject the alternative O retain the null
Transcribed Image Text:The mean IQ for the U.S. is 100 with a standard deviation of 15. A Troy statistics professor thinks Troy students are smarter than average, so he randomly samples 10 students and records the following IQ data to test his hypothesis. What decision should you make? IQ: 95 100 105 110 115 100 105 110 105 105 Oreject the null O accept the null fail to reject the null O accept the alternative O reject the alternative O retain the null
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