Multistage sampling Th e previous exercise gives part of
Chapter 5, Problem 5.71(choose chapter or problem)
Multistage sampling Th e previous exercise gives part of the description of a sample survey from the Wall Street Journal. (a) It appears that the sample was taken in several stages. Why can we say this? (b) Th e fi rst stage no doubt used a stratifi ed sample, though the Journal does not say this. Explain why it would be bad practice to use an SRS from a large number of geographic points across the country rather than a stratifi ed sample of such points.
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