The experimenter / researcher should take n = 60 observations with n1 = nw1 = 60* 1
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The experimenter / researcher should take n = 60 observations with n1 = nw1 = 60* 1 /3 =20 n2 = 20, n3 = 20
We wish to estimate the population total τ with a bound of 400 hrs on the error estimation for the above example. Choose the appropriate sample size if an equal number of observations is to take from each stratum.
Related Book For
Introduction to Statistical Quality Control
ISBN: 978-1118146811
7th edition
Authors: Douglas C Montgomery
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