For each of the following, state whether a one-proportion z-test or a two-proportion z test would be

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For each of the following, state whether a one-proportion z-test or a two-proportion z test would be appropriate, and name the population(s).

a. A researcher takes a random sample of voters in western states and voters in southern states to determine if there is a difference in the proportion of voters in these regions who support the death penalty.

b. A sociologist takes a random sample of voters to determine if support for the death penalty has changed since 2015.

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Introductory Statistics Exploring The World Through Data

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Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan

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For each of the following, state whether a one-proportion z-test or a two-proportion z test would be

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a A twoproportion ztest would be appropri...View the full answer

Introductory Statistics Exploring The World Through Data

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