bo + bix for the data. Make sure to use the formula in (4 points) Determine...
6. Consider the sample data below for fitting the regression model y = Bo + Bix+e LY | 12 | 14 | 9 | 14 | 16 | 14 | 33 | 38 | 44 TX 2 2 3 4 5 5 6 7 9 a. Compute the pure error sum of squares for performing a lack of fit test. b. How many degrees of freedom are there for pure error ? c. Compute 2x2
Make sure your workings are visible ,do not screen short a) Determine the multiple linear regression equation of yon X and X, from the data relating to three variables given below. Use the regression equation to compute the value of y when Xis 5 and X, is 40 5 12 14 ch X 16 10 7 3 2 X 90 72 54 42 30 12 b) Describe the properties of normal distribution c) Discuss the assumptions of linear programming and...
please provide detailed answer thank you! For the data shown below, calculate the Pearson linear correlation coefficient (r) and find the regression equation (y = bo + bx). er х 1 2 3 4 у 17.9 21.4 25.1 25.6 26.1 31.9 31.5 33.1 5 6 7 8 Round all your answers to 3 places after the decimal point, if necessary. T Regression equation: Make sure that you enter the y-intercept in the first box and the slope (the coefficient of...
Please show your work. God bless 1. (40 points) Consider the following five observations. (9 points) (x-x) (x - x) (y- y) (x - x)(y-y) 2*- {x = 1012 (-:-)= {(x - 1)2 = 20;-)) = (x x)(y- » a) (6 points) What are the sample means of x and y? b) Complete the entries in the table above. Put the sums in the last row. (Show work below) c) Calculate Bo and write out the equation for the fitted...
Probability and Statistics 1. Linear Regression Given 4 data points: X Y 5 15 Use simple linear regression to estimate ßo and ß, for the best-fit line ỹ ß0 + ßqx Calculate these values: x | 7 | S | Spy | Bo | Big Sketch the regression line and the data points below
(13 points) Suppose you have a simple linear regression model such that Y; = Bo + B18: +€4 with and N(0,0%) Call: 1m (formula - y - x) Formula: F=MSR/MSE, R2 = SSR/SSTO ANOVA decomposition: SSTOSSE + SSR Residuals: Min 1Q Modian -2.16313 -0.64507 -0.06586 Max 30 0.62479 3.00517 Coefficients: Estimate Std. Error t value Pr(> It) (Intercept) 8.00967 0.36529 21.93 -0.62009 0.04245 -14.61 <2e-16 ... <2e-16 .. Signif. codes: ****' 0.001 '** 0.01 '* 0.05 0.1'' 1 Residual standard...
11. (20 pts) The regression equation for the following set of data points is y = 6.65 + 1.47x. X 1 3 6 7 8 у 9 10 15 17 19 Use formula to find the coefficient of determination for the set of data points.
this is a differential equation question please solve them with steps and details also, make sure it is correct 4. (7 points) Consider the following system of differential equations, solve it using both the direct method and the Decoupling Method, and compare your results from both methods. 3.x - 2y y = -2 + y + 32
Name Economics 5 Ch 13 Practice The follo wing data are the monthly salaries y and the grade point averages x for students who obtained a bachelor's degree in business administ ration Obser vation index xi 2.6 3300 3.4 3600 3.6 4000 3.2 3500 3.5 3900 2.9 3600 TSS Totals SSR SSE 1. Calculate and y 2. Use the least squares method to develop the estimated regression equation. Use two decimal points in your answers for bo and bi. 3....
Use your TI-83/84 to find the regression line to predict from using the following data. X61041412Y49.53119Round your answers to three decimal places. Note: Students are to make sure you type in the appropriate negative sign, if appropriate! The regression equation is y-hat = _______ +_______ *x