A county clerk wants to improve voter registration. He wants to send out reminders in the mail to all citizens in the county who are eligible to vote. To determine if it will actually improve voter registration, a random sample of 1250 potential voters was taken. No reminders were sent out to a group of 625 eligible voters and of those 625, 299 registered to vote. Reminders were sent out to another group of 625 voters and of those 348 registered to vote. The county clerk claims that the proportion of people who registered was significantly greater in the group that was sent the reminders. Using a 0.10 significance level, test the claim that the proportion of registered voters is higher in the group that received the reminders. What is the test statistic for this test? A county clerk wants to improve voter registration. He wants to send out reminders in the mail to all citizens in the county who are eligible to vote. To determine if it will actually improve voter registration, a random sample of 1250 potential voters was taken. No reminders were sent out to a group of 625 eligible voters and of those 625, 299 registered to vote. Reminders were sent out to another group of 625 voters and of those 348 registered to vote. The county clerk claims that the proportion of people who registered was significantly greater in the group that was sent the reminders. Using a 0.10 significance level, test the claim that the proportion of registered voters is higher in the group that received the reminders. What is the test statistic for this test? -1.28 -2.33 -2.77 -2.575 -1.96
A county clerk wants to improve voter registration. He wants to send out reminders in the mail to all citizens in the county who are eligible to vote. To determine if it will actually improve voter registration, a random sample of 1250 potential voters was taken. No reminders were sent out to a group of 625 eligible voters and of those 625, 299 registered to vote. Reminders were sent out to another group of 625 voters and of those 348 registered to vote. The county clerk claims that the proportion of people who registered was significantly greater in the group that was sent the reminders. Using a 0.10 significance level, test the claim that the proportion of registered voters is higher in the group that received the reminders. What is the test statistic for this test?
A county clerk wants to improve voter registration. He wants to send out reminders in the mail to all citizens in the county who are eligible to vote. To determine if it will actually improve voter registration, a random sample of 1250 potential voters was taken. No reminders were sent out to a group of 625 eligible voters and of those 625, 299 registered to vote. Reminders were sent out to another group of 625 voters and of those 348 registered to vote. The county clerk claims that the proportion of people who registered was significantly greater in the group that was sent the reminders. Using a 0.10 significance level, test the claim that the proportion of registered voters is higher in the group that received the reminders. What is the test statistic for this test?
-1.28
-2.33
-2.77
-2.575
-1.96
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