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Mira la respuestaMira la respuesta done loading Muestra el texto de la transcripción de la imagenPregunta: necessary to use LINEAR REGRESSION a) Fit a multiple regression model to relate systolic pressure values in infants with their weight and age. Use α = 0.05 b) Estimate the standard
necessary to use LINEAR REGRESSION
a) Fit a multiple regression model to relate systolic pressure values in infants with their weight and age. Use α = 0.05
b) Estimate the standard error of the residuals (RSE) and the adjusted R2. Interpret.
c) What are the standard errors of the regression coefficients?
d) Now consider the interaction between age and weight in the model and compare the adjusted R2 value of this new model with the previous one. Interpret.
e) Obtain the systolic pressure values for children 7, 9 and 15 days old and weighing 150, 148 and 200 ounces, respectively. Obtain a 95% confidence interval for said prediction.
f ) Carry out an analysis of the residuals in the model and interpret.- Esta es la mejor manera de resolver el problema.Solución
a) Ans: Enter the data into the Excel sheet. Data Tab --> Megastat --> Correlation/Regression --> Regression INPUTS: OUTPUT: The required Regression Equation is as follows: Systollic Pressure = 53.4502+5.8877*Days+0.1256*Weight. b) Estimate the st…
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