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( b) Find n, Σx, Σy, Σχ?, (Σx)? , and Σxy %3D Σχ Ey Ex2 %3D (Ex)? Exy (c) Find a, the slope of the least-squares line, and b, the y-intercept of the least-squares line. (Round your answers to two decimal places.) a = b = (d) Draw the least-squares line on the scatter diagram from part (a). 10 10 y -10 -10 10 -10

( b) Find n, Σx, Σy, Σχ?, (Σx)? , and Σxy %3D Σχ Ey Ex2 %3D (Ex)? Exy (c) Find a, the slope of the least-squares line, and b, the y-intercept of the least-squares line. (Round your answers to two decimal places.) a = b = (d) Draw the least-squares line on the scatter diagram from part (a). 10 10 y -10 -10 10 -10

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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( b) Find n, Σx, Σγ, Σχ?, ( Σχ)? , and Σxy. Σχ Ey Ex2 (Ex)? Exy (c) Find a, the slope of the least-squares line, and b, the y-intercept of the least-squares line. (Round your answers to two decimal places.) a = (d) Draw the least-squares line on the scatter diagram from part (a). 10 10 y y -10 -10 10 -10 esc 11 12 F4LE 17 1no 21A prt sc %3 96 4. 6. & 7. E Y U
Transcribed Image Text:( b) Find n, Σx, Σγ, Σχ?, ( Σχ)? , and Σxy. Σχ Ey Ex2 (Ex)? Exy (c) Find a, the slope of the least-squares line, and b, the y-intercept of the least-squares line. (Round your answers to two decimal places.) a = (d) Draw the least-squares line on the scatter diagram from part (a). 10 10 y y -10 -10 10 -10 esc 11 12 F4LE 17 1no 21A prt sc %3 96 4. 6. & 7. E Y U
Given the bivariate data: 1 y 9. 8 6. (a) Draw a scatter diagram for the data. 10 Graph Layers After you add an object to the graph you can use Graph Layers to view and edit its properties. Fill No Solution O Help WebAssign. Graphing Tool ( b) Find n, Σx, Σy, Σx (Σχ)?, and Σxy., esc 15C 17 ASD not 96 & 40 JL T Y. Jock A G H. J. K shifta No>•
Transcribed Image Text:Given the bivariate data: 1 y 9. 8 6. (a) Draw a scatter diagram for the data. 10 Graph Layers After you add an object to the graph you can use Graph Layers to view and edit its properties. Fill No Solution O Help WebAssign. Graphing Tool ( b) Find n, Σx, Σy, Σx (Σχ)?, and Σxy., esc 15C 17 ASD not 96 & 40 JL T Y. Jock A G H. J. K shifta No>•
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