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Can you find r^2

Can you find r^2

MATLAB: An Introduction with Applications
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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Can you find r^2
K When survey data indicated that a company needed to improve its package-sealing process, an experiment was conducted to determine the factors in the bag-sealing equipment that might be affecting the ease of opening the bags without tearing the inner liner of the bag. Data were collected on 19 bags and the plate gap on the bag-sealing equipment was used to predict the tear rating of a bag. The results are displayed in the accompanying table and the regression equation is the following. Complete parts (a) through (c). n n n ~ = 0.7643 + 0.4611X, with Σ Υ = 14.66, Σ γ = 37.8620, and Σ ×Y = 22.43. iew an exar Data table Bag 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Plate gap (X) -0.3 0.30 2.10 1.80 0.00 0.00 0.30 0.00 - 0.30 - 1.80 -1.50 3.00 -2.10 -0.30 -3.00 -2.10 1.80 2.10 0.30 Tear rating D (Y) 0.09 0.07 0.47 0.85 0.31 0.38 0.71 1.93 0.28 0.17 0.19 3.75 0.09 0.53 0.01 0.08 0.45 4.21 0.09 X Kanswer
Transcribed Image Text:K When survey data indicated that a company needed to improve its package-sealing process, an experiment was conducted to determine the factors in the bag-sealing equipment that might be affecting the ease of opening the bags without tearing the inner liner of the bag. Data were collected on 19 bags and the plate gap on the bag-sealing equipment was used to predict the tear rating of a bag. The results are displayed in the accompanying table and the regression equation is the following. Complete parts (a) through (c). n n n ~ = 0.7643 + 0.4611X, with Σ Υ = 14.66, Σ γ = 37.8620, and Σ ×Y = 22.43. iew an exar Data table Bag 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Plate gap (X) -0.3 0.30 2.10 1.80 0.00 0.00 0.30 0.00 - 0.30 - 1.80 -1.50 3.00 -2.10 -0.30 -3.00 -2.10 1.80 2.10 0.30 Tear rating D (Y) 0.09 0.07 0.47 0.85 0.31 0.38 0.71 1.93 0.28 0.17 0.19 3.75 0.09 0.53 0.01 0.08 0.45 4.21 0.09 X Kanswer
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