The government conducts a survey of the population and finds that 105 of 501 respondents report voting for party A last election, and 131 of
The government conducts a survey of the population and finds that 105 of 501 respondents report voting for party A last election, and 131 of 601 respondents report voting for party A for the next election. If you are conducting a hypothesis testing with a null hypothesis of P1 = P2, calculate the test-statistic (z-score) for this test where you are testing for P1 - P2
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