. An introductory stats professor hypothesizes that 50% of students learn best by watching the videos, 10% by reading the book, 20% by solving questions, and the rest from the discussion forums. She surveys a random sample of a large sample of students asking them how they learn best, and wants to use these data to evaluate her hypothesis. Which method should she use?

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Q: For large U.S. companies, what percentage of their total income comes from foreign sales? A random…

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A: given  n1=7M1=48SS1=325n2=7M2=41SS2=347

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Q: Are America's top chief executive officers (CEOs) really worth all that money? One way to answer…

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Q: large U.S. companies, what percentage of their total income comes from foreign sales? A random…

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A: x1 =51.6625 s1 = 7.9277  x2 = 33.6 s2 = 12.2572

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Q: Are America's top chief executive officers (CEOs) really worth all that money? One way to answer…

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