To test the hypothesis that eating fish makes one smarter, a random sample of 12 persons take a fish oil supplement for one year and then are given an IQ test. Here are the results: 116 111 101 120 99 94 106 115 107 101 110 92 Your null hypothesis is HA: μ < 100 (no effect -- eating fish does not help increase the mean IQ) H0: μ = 100 (no effect -- eating fish does not help increase the mean IQ) HA: μ > 100 (no effect -- eating fish does not help increase the mean IQ) H0: μ = 100 (have effect -- eating fish helps increase the mean IQ)
To test the hypothesis that eating fish makes one smarter, a random sample of 12 persons take a fish oil supplement for one year and then are given an IQ test. Here are the results: 116 111 101 120 99 94 106 115 107 101 110 92 Your null hypothesis is HA: μ < 100 (no effect -- eating fish does not help increase the mean IQ) H0: μ = 100 (no effect -- eating fish does not help increase the mean IQ) HA: μ > 100 (no effect -- eating fish does not help increase the mean IQ) H0: μ = 100 (have effect -- eating fish helps increase the mean IQ)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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To test the hypothesis that eating fish makes one smarter, a random sample of 12
persons take a fish oil supplement for one year and then are given an IQ test. Here are the results:
116 111 101 120 99 94 106 115 107 101 110 92
Your null hypothesis is
HA: μ < 100 (no effect -- eating fish does not help increase the mean IQ)
H0: μ = 100 (no effect -- eating fish does not help increase the mean IQ)
HA: μ > 100 (no effect -- eating fish does not help increase the mean IQ)
H0: μ = 100 (have effect -- eating fish helps increase the mean IQ)
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