You may need to use the appropriate appendix table or technology to answer this question. Given are five observations for two variables, x and y. (Round your answers to two decimal places.) x, 1 2 3 4 Y 4 7 6 11 5 14 1 (a) Use Syx = S + n (x*-x)2 Σ(x; - x)² to estimate the standard deviation of ŷ* when x = 3. 0.89 X (b) Use * ±ta/25x to develop a 95% confidence interval for the expected value of y when x = 3. 5.37 X to 11.03 x 1 (c) Use Spred = S 1+ + n (x* -x)2 Σ(x-x)² 2.18 x to estimate the standard deviation of an individual value of y when x = 3. (d) Use ŷ* ±ta/25 pred to develop a 95% prediction interval for y when x = 3. 1.26 X to 14.14

# You may need to use the appropriate appendix table or technology to answer this question. Given are five observations for two variables, x and y. (Round your answers to two decimal places.) x, 1 2 3 4 Y 4 7 6 11 5 14 1 (a) Use Syx = S + n (x*-x)2 Σ(x; - x)² to estimate the standard deviation of ŷ* when x = 3. 0.89 X (b) Use * ±ta/25x to develop a 95% confidence interval for the expected value of y when x = 3. 5.37 X to 11.03 x 1 (c) Use Spred = S 1+ + n (x* -x)2 Σ(x-x)² 2.18 x to estimate the standard deviation of an individual value of y when x = 3. (d) Use ŷ* ±ta/25 pred to develop a 95% prediction interval for y when x = 3. 1.26 X to 14.14

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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