population pressure
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Earl discusses the importance of understanding and developing games for local markets. EA started a studio in Shanghai to learn about China's gaming population. He also talks about protecting EA's IP via an online distribution mechanism.
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In the second of his two lectures in honor of Arthur Okun, Professor Summers points out that real interest rates have been very low in the current subprime crisis. This indicates that the shock to the economy was more a financial breakdown shock than a disinflation shock. But financial breakdown shocks are not necessarily very harmful to the economy, so long as financial intermediation capital is not destroyed. In a financial crisis like t...more
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Vapor Pressure, Volatility, and Evaporation.
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Vapor pressure example using the Ideal Gas Law.
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Comparing Population Proportions 1.
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Comparing Population Proportions 2.
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The difference between the mean of a sample and the mean of a population.
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The ideal-gas law is introduced, and the rate of momentum transfer from the gas molecules to the vessel walls is related to pressure. The concepts of phase diagrams and phase transitions are also introduced, and they are explored with fire extinguishers, boiling water, and cooled balloons filled with air. The ideal-gas law holds (approximately) when you have only gas; it doesn't hold whenever there is any liquid present. Professor Lewin us...more
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Hypothesis Test Comparing Population Proportions.
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Figuring out the partial pressures of various gases in a container.
