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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4. Two populations are surveyed with simple random samples. A sample of size n
is used for population I, which has a population standard deviation ; a sample of
size 2 2n is used for population II, which has a population standard deviation
σ-= 2σι. Ignoring finite population corrections, in which of the two samples
would you expect the estimate of the population mean to be more accurate?
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Transcribed Image Text:4. Two populations are surveyed with simple random samples. A sample of size n is used for population I, which has a population standard deviation ; a sample of size 2 2n is used for population II, which has a population standard deviation σ-= 2σι. Ignoring finite population corrections, in which of the two samples would you expect the estimate of the population mean to be more accurate?
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