A researcher calculated sample proportions from two independent random samples. Assuming all conditions for inference are met, which of the following is the best method for the researcher to use to estimate the true difference between the population proportions? A)Construct a two-sample zz-interval for the difference between population proportions. B)Construct a two-sample z -interval for the difference between sample proportions. C)Perform a z -test for the difference in sample proportions.
A researcher calculated sample proportions from two independent random samples. Assuming all conditions for inference are met, which of the following is the best method for the researcher to use to estimate the true difference between the population proportions? A)Construct a two-sample zz-interval for the difference between population proportions. B)Construct a two-sample z -interval for the difference between sample proportions. C)Perform a z -test for the difference in sample proportions.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 5E: List the sample space of each experiment. Rolling one die and tossing one coin
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A researcher calculated sample proportions from two independent random samples. Assuming all conditions for inference are met, which of the following is the best method for the researcher to use to estimate the true difference between the population proportions?
A)Construct a two-sample zz-interval for the difference between population proportions.
B)Construct a two-sample z -interval for the difference between sample proportions.
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C)Perform a z -test for the difference in sample proportions.
D)Subtract the proportions and construct a one-sample z -interval for a single population proportion. -
E)Subtract the proportions and construct a z-interval for a single sample proportion
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The researcher has calculated sample proportions taken from two independent samples selected randomly. Also all the conditions required for testing are satisfied.
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