Using this information, give the equation of the least squares regression line.
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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The decline of salmon fisheries along the Columbia River in Oregon has caused great concern among commercial and recreational fishermen. The paper 'Feeding of Predaceous Fishes on Out-Migrating Juvenile Salmonids in John Day Reservoir, Columbia River' (Trans. Amer. Fisheries Soc. (1991: 405-420) gave the accompanying data on y = maximum size of salmonids consumed by a northern squaw fish (the most abundant salmonid predator) and x = squawfish length, both in mm. Here is the computer software printout of the summary:
Coefficients: | ||||
Estimate | Std. Error | t value | Pr(> |t|) | |
(Intercept) | −89.010 | 16.703 | −5.329 | 0.000 |
Length | 0.705 | 0.046 | 15.293 | 0.000 |
Using this information, give the equation of the least squares regression line.
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