Q4 It is the proportion of the variation in the dependent variable that is predictable from the independent variable(s).correlation coefficientcoefficient of skewnesscoefficient of determinationcoefficient of kurtosis

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Answered: It is the proportion of the variation…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.6: Regression And Median-fit Lines

Problem 4PPS

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The coefficient of determination is the square root of the correlation coefficient is the same as the correlation coefficient cannot be negative can be negative or positive
When calculating a correlation coefficient between two continuous variables, the scales on which the variables are measured affect the value of the correlation coefficient. True or False
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Cost Behavior and Correlation Analysis PC's total maintenance cost for the past 10 months is Php50,000.00. Some of the maintenance activity appears related to the operation of machinery, and the accountant wants to determine whether machine hours should be used as a basis upon which to estimate maintenance cost at various levels of capacity. Machine hours for the same period totalled 40,000 hours. The machine hour differences from average multiplied by the maintenance cost differences from its average and summed E(x¡ – x)(yi – ỹ) is 2,400. The machine hour differences from average squared and summed E(x¡ –x)² is 6,250, and the maintenance cost differences from average squared and summed E(yi – y)² is 1,000. Required: 1. Compute the coefficient of correlation, r, and the coefficient of determination,r2, for maintenance cost and machine hours. 2. Compute the variable maintenance cost per machine hour, using the method of least squares. 3. Compute the fixed maintenance cost, using the…

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It is the proportion of the variation in the dependent variable that is predictable from the independent variable(s). correlation coefficient coefficient of skewness coefficient of determination coefficient of kurtosis