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), x4,162 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|1,9432,092New-vehicle sales (Company B), y2,9592,780How can the coetticient of determination be interpreted?The coefficient of determination is the fraction of the variation in new-vehicle sales forV that can be explained by the variation in new-vehicle sales forv and is represented byV Theremaining 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.(Round to three decimal places as needed.)How can the standard error of estimate be interpreted?The standard error of estimate of the new-vehicle sales forv forV of new-vehicle sales foris about s.Enter your answer in each of the answer boxes.3:26 AMP Type here to search99+5/2/202120insertthoesc144prt scdetet&7%23%242.6.8.9.homebackspaceQT.YtabFGKentercans lockpaseB 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), xNew-vehicle sales (Company B). y4,162 3,923 3,584 3,400 3,251 3,114|2,845 2,5014,893 4,833 4,842 4,734 4,649 4,452 4,667 3,8011,9432,0922,9592,780(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 forV that can be explained by the variation in new-vehicle sales forV and is represented byV Theremaining 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 searcha3:25 AM99+5/2/202120Bo144Insertprt scdelete%2324&68.backspace ometabRTYpo unos lockALDFJ"KenterV.pauseM↑ thiftendaltaltctri

x y x-x¯ y-y¯ x-x¯2 y-y¯2 x-x¯y-y¯ 4162 4893 1080.5 632 1167480.25 399424 682876 3923 4833…

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 4,162 3,923 3,584 3,400 3,251 3,114 2,845 2,501 1,943 2.092 New-vehicle sales (Company B), y 4,893 4,833 4,842 4,734 4,649 4,452 4,667 3,801 2,959 2,780 How can the coetticient 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 Vand is represented by 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. (Round to three decimal places as needed.) How can the standard error of estimate be interpreted? The standard error of estimate of the new-vehicle sales for V for V of new-vehicle sales for v is about s Enter your answer in each of the answer boxes. 3:26 AM P Type here to search a (? 99+ 5/2/2021

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 4,162 3,923 3,584 3,400 3,251 3,114 2,845 2,501 1,943 2.092 New-vehicle sales (Company B), y 4,893 4,833 4,842 4,734 4,649 4,452 4,667 3,801 2,959 2,780 How can the coetticient 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 Vand is represented by 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. (Round to three decimal places as needed.) How can the standard error of estimate be interpreted? The standard error of estimate of the new-vehicle sales for V for V of new-vehicle sales for v is about s Enter your answer in each of the answer boxes. 3:26 AM P Type here to search a (? 99+ 5/2/2021

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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you are the Filipino analyst hired by the multinational company to study the sales data of its more than 75 stores worldwide. You used regression analysis to predict $ sales by using $ advertising (x1) and $ salary of sales representatives (x2) across all the branches. You obtained the following regression function: y = 7800 + 8.5x1-1.6x2 If the advertising budgets of one of the branches of the corporation is the same as before and the salary of sales representatives is now 20% less than before, then the predicted sales in that branch will
Please help, this is for financial mathematics, thank you so much!!!!!
FAL The money raised and spent (both in millions of dollars) by all congressional campaigns for 8 recent 2-year periods are shown in the table. The equation of the regression line is y = 0.959x + 15.575. Find the coefficient of determination and interpret the result. Money raised, x Money spent, y 472.7 446.1 652.5 681.3 742.1 747.2 Find the coefficient of determination and interpret the result. 2 (Round to three decimal places as needed.) 785.7 779.4 1025.2 954.5 1207.4 1008.1 933.1 1165.1 769.1 725.3
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Marina, Elena, Paloma, Alejandra and Rocío are 2, 3, 5, 7 and 8 years old and weigh 14, 20, 30, 42 and 44 kg respectively. With these data:(a) Find the equation of the regression line of age on weight.b) Estimate the approximate "weight" for a 6-year-old girl.
What is the slope and intercept for the regression equation given this data?X = -5, 34, 56, 0, 61Y = 13, 63, 46, -23, 50
You are the Filipino analyst hired by the multinational company to study the sales data of its more than 75 stores worldwide. You used regression analysis to predict $ sales (y) by using $ advertising (x1) and $ salary of sales representatives (x2) across all the branches. You obtained the following regression function: y = 7800 + 8.5x1-1.6x2 If the advertising budgets of one of the branches of the corporation increased by 10% and the salary of sales representatives decreased by 20%, then its predicted sales will?
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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 = 0.991x + 1,222.81. Complete parts (a) and (b) below. New-vehicle sales (Company A), x New-vehicle sales (Company B), y 4,149 3,923 3,566 3,400 3,266 3,076 2,868 2,485 1,952 2,066 4,912 4,871 4,827 4,721 4,672 4,474 4,684 3,822 2,956 2,754 (a) Find the coefficient of determination and interpret the result. r² = r2 = 0.821 (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 Company B that can be 2 explained by the variation in new-vehicle sales for Company A and is represented by The remaining fraction of the variation, 1-2, is unexplained and is due to other factors or to sampling error. s (b) Find the standard error of estimates and interpret the result. Se O (Round to three decimal…
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