To investigate whether there is a significant difference between two regions of a state in the percent of voters who intend to vote for the incumbent governor in the next election, a polling agency interviewed 300 randomly selected voters from the north of the state and 400 randomly selected voters from the south of the state. Of those interviewed, 200 from the north and 325 from the south indicated they intended to vote for the incumbent governor in the next election. Which of the following is the most appropriate method for analyzing the results? A one-sample zz-test for a sample proportion A A one-sample zz-test for a population proportion B A two-sample zz-test for a sample proportion C A two-sample zz-test for a difference in sample proportions D A two-sample zz-test for a difference in population proportions
To investigate whether there is a significant difference between two regions of a state in the percent of voters who intend to vote for the incumbent governor in the next election, a polling agency interviewed 300 randomly selected voters from the north of the state and 400 randomly selected voters from the south of the state. Of those interviewed, 200 from the north and 325 from the south indicated they intended to vote for the incumbent governor in the next election. Which of the following is the most appropriate method for analyzing the results?
-
A one-sample zz-test for a sample proportion
A -
A one-sample zz-test for a population proportion
B -
A two-sample zz-test for a sample proportion
C -
A two-sample zz-test for a difference in sample proportions
D -
A two-sample zz-test for a difference in population proportions
E
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