Find the means of X and Y variables and the coefficient of correlation between them from the ff two regression equations: 2Y-X-50 = 03Y-2X-10 = 0 2.Find the means of X and Y variables and the coefficient of correlation between them from the following two regressionequations:2Y-X-50=03Y-2X-10 = 0.

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Find the means of X and Y variables and the coefficient of correlation between them from the ff two regression equations: 2Y-X-50 = 0 3Y-2X-10 = 0

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

6th Edition

ISBN:9781337111348

Author:Bruce Crauder, Benny Evans, Alan Noell

Publisher:Bruce Crauder, Benny Evans, Alan Noell

Chapter3: Straight Lines And Linear Functions

Section3.4: Linear Regression

Problem 12SBE: Find the equation of the regression line for the following data set. x 1 2 3 y 0 3 4

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Find the equation of the regression line for the following data set. x 1 2 3 y 0 3 4
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The data show the number of felony convictions, in hundreds, and the crime rate, in crimes per 100,000, for seven randomly selected states. For the given data, a. determine the correlation coefficient between the number of felony convictions and the crime rate, (b) find the equation of the regression line, (c) approximate what crime rate can we anticipate in a state that has 12 hundred felony convictions.Felony convictions: 11.4, 8.1, 6.7, 3.4, 2.4, 2.3, 0.4Crime rate/ 100,000: 12, 9.5, 10.4, 9, 4.2, 5.5, 3.3 A. a. r = 0.906 b. y = 3.85x + 0.777 c. 47 B. a. r = 0.906 b. y = 0.777x + 3.85 c. 13.2 C. a. r = -0.906 b. y = 0.777x - 3.85 c. 5.5 D. a. r = -0.906 b. y = -0.777x + 3.85 c. 5.5
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Only B and C. Handwritten plz plz.
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The table shows the numbers of new-vehicle sales (in thousands) in the United States for Company A and Company B for 10 years. The equation of the regression line is y = 0.974x + 1,260.77, Complete parts (a) and (b) below. New-vehicle sales (Company A), x New-vehicle sales (Company B). y 4,162 3,923 3,584 3,400 3,251 3,114|2,845 2,501 4,893 4,833 4,842 4,734 4,649 4,452 4,667 3,801 1,943 2,092 2,959 2,780 (a) Find the coefficient of determination and interpret the result. (Round to three decimal places as needed.) How can the coefficient of determination be interpreted? The coefficient of determination is the fraction of the variation in new-vehicle sales for V that can be explained by the variation in new-vehicle sales for V and is represented by V The remaining fraction of the variation, V . is unexplained and is due to other factors or to sampling error. (b) Find the standard error of estimate s, and interpret the result. Enter your answer in each of the answer boxes. P Type here to…
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