MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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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. What decision should you make?
IQ: 95 100 105 110 115 100 105 110 105 105
O reject the null
accept the null
fail to reject the null
accept the alternative
O reject the alternative
O retain the null
expand button
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 O reject the null accept the null fail to reject the null accept the alternative O reject the alternative O retain the null
IS
Drive
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-betal
good decision 1-alpha
type 1 error alpha
type 2 error beta
1
expand button
Transcribed Image Text:IS Drive 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-betal good decision 1-alpha type 1 error alpha type 2 error beta 1
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