1,332 prompts matching "Explain standard deviation back to me"
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Spot My Mistake: The moment of a force whose line of action is not perpendicular
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Learn: The algebraic sum of moments when the senses differ
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Spot My Mistake: Using concurrence to find the direction of an unknown third force
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WAEC Prep: The statement of Lami's theorem
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Spot My Mistake: Why the probabilities in a distribution must sum to one
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Practice: Using a binomial expansion to approximate a number
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WAEC Prep: The mean of a binomial distribution as np
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WAEC Prep: Why the mean and the variance of a Poisson distribution are equal
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Learn: Finding lambda from a stated mean
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WAEC Prep: The shape and the symmetry of the normal curve
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Learn: The mean, median and mode of a normal distribution
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Quiz: Reading the wording of a question to decide which distribution applies
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Practice: The components of a vector given its magnitude and direction
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Learn: The coordinates of a point in three dimensions
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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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Learn: The unit vectors i, j and k
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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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Learn: Subtracting one vector from another
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