Explanation Given Information: A population { x , y } of two scores ( x ≤ y ) . Formula Used: The mean of the set of values x 1 , x 2 , ... , x n is the average of all values which means the sum of all values divided by the number of values. If there are N is the number of data in a population, then the variance of the population is given by, σ 2 = ∑ i = 1 n ( x i − μ ) 2 N The standard deviation is the square root of the variance and is given by, σ = σ 2 Calculation: Consider the data points { x , y } of a population. A number of data points in a population is 2 . Evaluate the value of mean that will lie at the middle of data points. μ = y − x 2 Evaluate the difference of mean from x by use of the formula ∑ i = 1 n ( x i − μ ) 2

Finite Mathematics and Applied Calculus (MindTap Course List)

7th Edition

ISBN: 9781337274203

Author: Stefan Waner, Steven Costenoble

Publisher: Cengage Learning

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Chapter 9.4, Problem 79E

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To calculate: The algebraic formula for the population standard deviation of a population {x,y} of two scores (x≤y).

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Chapter 9.4, Problem 78E

Chapter 9.4, Problem 80E

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The algebraic formula for the population standard deviation of a population { x , y } of two scores ( x ≤ y ) .

Solution Summary: The author calculates the algebraic formula for the population standard deviation of a population leftx,yright of two scores.

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To calculate: The algebraic formula for the population standard deviation of a population {x,y} of two scores (x≤y).

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Chapter 9 Solutions