Suppose a population has a standard deviation of 10. Assume that we continue to select groups of 100 individuals from the population and calculate the sample means. The variation among all these sample means is measured by o/v(n). Compare the distribution of single observations (x) with that of the means x. (That is compare the histoarams of x and š ) We can

MATLAB: An Introduction with Applications
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Suppose a population has a standard deviation of 10.
Assume that we continue to select groups of 100
individuals from the population and calculate the
sample means. The variation among all these sample
means is measured by o/v(n). Compare the distribution
of single observations (x) with that of the means x.
(That is, compare the histograms of x and x.) We can
conclude that the distribution of x is
spread out.
In other words, averages vary much
than
individual observations.
less; less
less; more
more; less
more; more
Transcribed Image Text:Suppose a population has a standard deviation of 10. Assume that we continue to select groups of 100 individuals from the population and calculate the sample means. The variation among all these sample means is measured by o/v(n). Compare the distribution of single observations (x) with that of the means x. (That is, compare the histograms of x and x.) We can conclude that the distribution of x is spread out. In other words, averages vary much than individual observations. less; less less; more more; less more; more
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