Amanda 39
Amber 21
Time 9
Mike 32
Nicole 30
Scot 45
Erica 11
Tiffany 12
Glenn 39
(a) Determine the population standard deviation.
(b) Find three simple random samples of size 4, and determine
the sample standard deviation of each sample.
(c) Which samples underestimate the population standard
deviation? Which overestimate the population standard
deviation?
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