303. It has been forwarded that 'Payroll Wins Games'.Please find the following data from MLB on 2019 Team Payroll and 2019Team Wins.(a) Provide a graph of Team payroll and Team wins and the Simple LinearEquation Line that describes this data?(b) What is the Simple Linear Regression Equation (bo+ b₁X1 + E) andCoefficient of Determination, and Coeffient of Correlation for this relationship?(c) Is there a strong causal relationship between payroll and wins, pleaseexplain in 100 to 150 words?MLB Data - 30 Teams:TeamBRR C W D EF S W LE A D DO IN ANDSCCSFSLWNHALANMSMTRCN($ Mil)Payroll187.2194.1118.899.8157.3125.4154.2147.6132.291.6116.4125.2113.2104.3106.4៖ វឌ្ឍខ្លួនតទននន ននWins84841031067791931077286687181TeamMBAZMNCLDTABTOKCSDOACWPPBOMMTB($ Mil)Payroll108.496.8101.188.798.089.654.667.963.084.383.854.661.169.649.1Wins8985101934797675970977269545796

Answered: Image /qna-images/answer/c7a759bc-b4e8-4976-adeb-2a4de7fd2046.jpg

Answered: 30 3. It has been forwarded that…

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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19. Which statement is correct? (A) The correlation coefficient and the intercept of the regression line always have the same sign. (B) The slope and the intercept of the regression line always have the same sign. (C) The correlation coefficient and the intercept of the regression line always have the same sign. (D) The correlation coefficient and the slope of the regression line always have the same sign. If you feel the answer is none of the choices given, submit no answer to the question.
A researcher collected statistics on the sales amount of a product in 120 different markets and the advertising budgets used in TV, radio and newspaper media channels for each of these markets. The sales amount are expressed in 1000 units, and the budgets are expressed in 1000 $. The researcher wants to create a simple linear regression model by choosing one among the TV, radio and newspaper advertising budgets to explain the amount of sales.a) Which variable should this researcher choose as an independent variable to the simple regression model? Explain your decision by providing its statistical basis.(use formula)b) Construct the simple linear regression model using the argument you chose and write the equation of the model. Comment b0 and b1.(not excel use formula please)c) Test whether there is a statistically significant, linear relationship between the independent variable and the dependent variable by establishing the relevant hypotheses at the level of α = 0.05 significance.…
A psychological study aimed at predicting Al Ain secondary school students’ mental health scores via their scores in the life satisfaction scale. The researcher examines the following null hypothesis: there is no significant relationship between Al Ain secondary school students’ mental health and their life satisfaction scores at 0.05 level of significance. Use the following data to establish the required regression equation. Student # Mental health score out of 50 Life- satisfaction score out of 100 1 40 80 2 41 87 3 34 90 4 30 78 5 44 89 6 42 85 7 45 88 8 32 77 9 47 90 10 22 57 11 30 78 12 28 77 13 35 76 14 40 84 15 31 76 16 39 80 17 41 84 18 24 60 19 22 50 20 37 75 21 40 80 22 38 78 23 29 60 24 24 55 25 24 62 26 29 61 27 32 65 28 34 66 29 28 67…
A researcher interested in explaining the level of foreign reserves for the country of Barbadosestimated the following multiple regression model using yearly data spanning the period 2001 to 2016: ??=?+????+????+????Where FR = yearly foreign reserves ($000’s), OIL = annual oil prices, EXP = yearly total exports ($000’s) and FDI = annual foreign direct investment ($000’s). The sample of data was processed using MINITAB and the following is an extract of the output obtained:Predictor Coef StDev t-ratio p-value Constant 5491.38 2508.81 2.1888 0.0491OIL 85.39 18.46 4.626 0.0006EXP -377.08 112.19 * 0.0057FDI -396.99 160.66 -2.471 ** S = 2.45 R-sq = 96.3% R-sq(adj) = 95.3%Analysis of VarianceSource DF SS MS F pRegression 3 1991.31 663.77 ? ??Error 12 77.4 6.45Total 15 Perform the F Test making sure to state the null and alternative hypothesis. f) Given an interpretation of the term “R-sq” and comment on its value.
A researcher is interested in examining the relationship between spousal abuse and child abuse. Specifically, they are interested in determining whether there is a predictive relationship between spousal abuse and child abuse in 5 county social services offices. Calculate the linear regression line for the following data. Note you have already calculated the first step to this analysis (Pearson's Correlation)
3. Wine Participant magazine has collected average price per bottle for the prestigious Chateau Le Thundebird bordeaux for different vintages (years). The data appears in the table below. year of bottling price a) draw the scatter diagram showing how wine price varies by vintage year b) use the most appropriate regression equation to determine the relationship between year of bottling (age) and price. c) what is the explanatory power (RSQ) of that equation d) determine the predicted price of a bottle of this wine for the 2017 vintage. 2009 36 2010 40 2011 51 2012 60 2013 68 2014 72 2015 70 2016 65 2018 51 2019 44 2020 39

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