12-17. A random sample of nX = 140 households from a low-income neighborhood exhibited a head of...
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12-17. A random sample of nX = 140 households from a low-income neighborhood exhibited a head of household registered as a Democrat in x = 70 cases. A similar sample of size nY = 130 taken from a high-income neighborhood had a head of household registered as a Democrat in y = 48 cases.
Is the proportion of Democratic registrations higher in the low-income area? Use α = 0.10.
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Related Book For
Advanced Statistics From An Elementary Point Of View
ISBN: 9780120884940
1st Edition
Authors: Michael J Panik
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