You are hired to estimate how many people attend a celebration at Alamo Plaza. You mark off a five foot by five-foot square to help make your estimation. Which of the following situations might distort your estimation? Your answer: O The entire offensive line of the Atlanta Falcons is in your square. o There is a class or kindergartners in your square. O There are some mothers with babies in strollers. O All of the above can distort your estimation.

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Q: Is it possible to provide a meaningful interpretation of the estimate b0?

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Q: What can you say about the accuracy of the forecast for an earthquake?

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Q: If Gena's score is 85, the class average is 82, and the SD is 4, what is Gena's Z-score?

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Q: What percent of those accused were from Haddington county?

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.