square root
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In this introductory lecture, Professor Lewin discuses basic units, dimensions, measurements and associated uncertainties, dimensional analysis, and scaling arguments. Further, he explains why a measurement is meaningless without knowledge of its uncertainty, using data collected by Galileo Galilei as an example. He begins to dive into dimensional analysis, reasoning that the time from an object to fall from a certain height is independen...more
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Solving a quadratic by completing the square.
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U10_L1_T2_we1 Completing the Square 1.
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U10_L1_T2_we2 Completing the Square 2.
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U10_L1_T2_we3 Completing the Square 3.
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U10_L1_T2_we4 Completing the Square 4.
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Chi-Square Distribution Introduction.
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Pearson's Chi Square Test (Goodness of Fit).
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Contingency Table Chi-Square Test.
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Chi-Square, Student-t, Multivariate Normal.
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"When would we know our financial system is working?"
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What happens when the characteristic equation only has 1 repeated root?
