1,334 prompts matching "Teach me mean, variance and standard deviation"
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Quiz: The probability in the upper tail of a normal distribution
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Practice: Using the normal tables when the z-score is negative
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Spot My Mistake: When the normal distribution may approximate the binomial
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Quiz: Reading the wording of a question to decide which distribution applies
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Quiz: The direction of a vector as an angle with the x-axis
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Practice: The magnitude of the sum of two vectors
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Practice: A vector of stated magnitude in a given direction
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Spot My Mistake: The vector from A to B as the difference of two position vectors
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Quiz: The vector equation of the line through two given points
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Practice: Deciding whether a point lies on a given line
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Spot My Mistake: The equilibrium condition written in vector form
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Quiz: Subtracting one complex number from another
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Spot My Mistake: Dividing one complex number by another using the conjugate
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Quiz: Writing a complex number in polar form
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Practice: Converting a complex number from polar form back to a plus bi
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Spot My Mistake: Deriving a multiple angle formula from de Moivre's theorem
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Practice: Differentiating x squared from first principles
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Spot My Mistake: Classifying a stationary point by the second derivative
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Spot My Mistake: Finding the constant of integration from a given point
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Quiz: Why the power rule fails for the integral of one over x
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