You are testing the claim that the proportion of men who own cats is larger than the proportion of women who own cats. You sample 160 men, and 15% own cats. You sample 60 women, and 20% own cats. Find the test statistic

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Q: At the 2% level of significance, what is the decision?

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Q: Illustrate the Test R2 for significance?

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Q: A May 2001 Gallup Poll found that many Americans believe in ghosts and other supernatural phenomena.…

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Q: What type of test would you use to determine if happiness and health are related?

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Q: A sample has SS= 20 and s2 =4. How many scores are in the sample?

A:

Q: What statistic would you use if you wanted to see if there was a difference between three ethnic…

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A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

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Q: Travis took the ACT (μ=19.50,σ=7) and recieved a percentile of 67. What was his z score? What was…

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Q: How many scores are in the population?

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Q: What is the 87.7 percentile of X~N(12,3)

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A:

Q: In statistics, how are power, alpha, and type 1 and type 2 error all related?

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Q: answer a A. the national percentage of automobile accident fatalities which are alcohol related is…

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Q: Using the sample from the 100 restaurants, what is the test statistic? -1.45. 1.45. -0.145. 0.145.

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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.