Using the data below:xi315yi17151114) Find the regression line (show your manual calculation, and do not use Excel(i) compute the standard error of the estimate(iii) calculate the estimated standard deviation of b1and(iv) use the t-test to test if there is a linear relationship exist between x and y.Use a = .05.Do NOT use EXCELOa) () y=6+2.03x(i) 10.033(iii) 0.0043(iv) There is a linear relationship exist between x and y.O b) (i) y=4+2.03x的 1.033(iii) 0.443(iv) There is a no linear relationship exist between x andy.c) None of the answers are correct

Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Answered: xi 1 3 3 4 yi 11 14 (1) Find the…

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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Consider a dataset with 25 observations and a multiple linear regression model with 4 independent variables. Assume you have estimated the parameters in the model and you find that SSE = 2,389.75 and the SSR = 12,125.25 Find the range that best represents the value of adjusted r-squared, R². (a) R² < 0.80 (b) (c) (d) (e) 0.80 ≤ R² < 0.85 0.85 ≤ R² < 0.90 0.90 ≤ R² < 0.95 0.95 ≤ R²
A regression was run to determine if there is a relationship between hours of study per week (xx) and the final exam scores (yy).The results of the regression were: y=ax+b a=6.22 b=21.6 r2=0.477481 r=0.691 Use this to predict the final exam score of a student who studies 8 hours per week, and please round your answer to a whole number.
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The flow rate in a device used for air quality measurement depends on the pressure drop x (inches of water) across the device's filter. Suppose that for x values between 5 and 20, these two variables are related according to the simple linear regression model with true regression line y = -0.11 + 0.097x. (a.1) What is the true average flow rate for a pressure drop of 10 in.?(a.2) A drop of 15 in.?(b) What is the true average change in flow rate associated with a 1 inch increase in pressure drop?(c) What is the average change in flow rate when pressure drop decreases by 5 in.?
13/
Consider the accompanying data set of dependent and independent variables a. Perform a general stopwise regression using a 0.05 for the p-value to enter and to remove independent variables from the regression model b. Perform a residual analysis for the model developed in part a to verify that the regression conditions are met Click the icon to view the data a. Use technology to perform the general stepwise regression What is the resulting regression equation? Note that the coefficient is 0 for any variable that was removed or not significant -0.69 (050), (050)+(018) - X (Round to two decimal places as needed) • Data Table: y 63 43 51 49 40 42 23 37 30 27 20 31 FR 74 63 78 3534 52 44 47 35 17 15 20 17 Print X₂ 21 259. 15 9 38 18 17 5 40 27 30 33 x₂ 22 aadosa 2NNG 29 20 17 13 17 8 15 10 10 Done 1
1.64 and 1.63 is incorrect please help ()()))
The table shows the number of goals allowed and the total points earned (2 polnts for a win, and 1 point for an overtme or shootout loss) by 14 lce hockey teams over the course of a season The equation of the regression line is (a) Find the coefficient of determination,, and interpret the result (b) Find the standard error of the estimate, and interpret the resut Goals Allowed, x Points, y -0.560x 218.067 Use he data to answer the folowing questions 217 213 221 229 260 262 277 205 216 20s 217 208 257 246 66 70 105 105 0 83 47106 103 97 9182 91 88 Inco (a) r-O (Round to three decimal places as noeded.)

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