386 prompts matching "Arithmetic mean between two numbers"
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Spot My Mistake: The proportion of a normal distribution within one, two and three standard deviations
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WAEC Prep: Comparing two values from different normal distributions by z-score
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WAEC Prep: The z-score of a value that lies below the mean
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WAEC Prep: The standard normal distribution, with mean nought and variance one
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WAEC Prep: The probability that a normal variable exceeds the mean by more than one standard deviation
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WAEC Prep: Finding the mean or the standard deviation from a given probability
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WAEC Prep: A question whose wording hides which distribution is meant
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WAEC Prep: Choosing between a binomial and a Poisson model
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WAEC Prep: The zero vector, and what it means
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WAEC Prep: Two vectors that are equal but drawn in different places
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WAEC Prep: Writing a two-dimensional vector in i and j form
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Quiz: Writing a two-dimensional vector as a column
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WAEC Prep: The magnitude of a two-dimensional vector
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Practice: The magnitude of the sum of two vectors
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Spot My Mistake: The vector from A to B as the difference of two position vectors
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WAEC Prep: Adding two vectors given in component form
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Explain Back: The dot product of two perpendicular vectors
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Worked Example: Testing two vectors for perpendicularity
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Quiz: The vector equation of the line through two given points
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WAEC Prep: Why the square root of a negative number needs i
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