scatter dagram dsplaying thể data. Graph Layers Atar you add an object to the graph you can ue Graph Laysto viand edt proparties Wesin. Ghng To (b) Verity the given sums Ix, Iy, D, Iy, Ixy, and the value of the sample corelation coefficient r. (Round your value for r to three decimal places.) (O Find x, and y. Then find the equation of the least-squares line ŷ -a bx. (Round your answers for x and y to two decimal places. Round your answers for a and b to three decimal places.)
scatter dagram dsplaying thể data. Graph Layers Atar you add an object to the graph you can ue Graph Laysto viand edt proparties Wesin. Ghng To (b) Verity the given sums Ix, Iy, D, Iy, Ixy, and the value of the sample corelation coefficient r. (Round your value for r to three decimal places.) (O Find x, and y. Then find the equation of the least-squares line ŷ -a bx. (Round your answers for x and y to two decimal places. Round your answers for a and b to three decimal places.)
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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Transcribed Image Text:Let x be the age of a licensed driver in years. Let y be the percentage of all fatal aocidents (for a given age) due to failure to yield the right of way. For example, the first data pair states that 5% of all fatal accidents of 37-year-olds are due to failure to yield the right of way.
37
47
57
67
77
87
10
17
32
41
Complete parts (a) through (e), given Ex - 372, Ey - 113, Er - 24814, Ey - 3183, Exy - 8301, and ra 0.953.
(a) Draw a scatter diagram displaying the data.
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(b) Verify the given sums Ix, Iy, D, Ey?, Exy, and the value of the sample correlation coefficient r. (Round your value for r to three decimal places.)
Ix -
Zy -
Iy -
Ixy -
(c) Find x, and y. Then find the equation of the least-squares line y -a+ bx. (Round your answers for x and y to two decimal places. Round your answers for a and b to three decimal places.)
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