A positive regression coefficient indicates that the movement of the variables are in:A. Same directionB. Opposite directionO C. Upward directionD. Downward directionO E. None of the preceding

We want tell the movement of the variables.

Answered: A positive regression coefficient…

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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Amount of fertilizer (x) in pounds for each plot: 12, 5, 15, 17, 20, 14: Bushels of tomatoes harvested (y) 24 22 31 33 21 28: Round all values to three decimal places. a) Find the equation of the regression line (line of best fit). b) Calculate the correlation coefficient (r). c) Determine if there is a significant linear correlation. d) If the linear relation is significant, predict how many bushels of tomatoes would be harvested if 22 pounds of fertilizer was used.
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A positive regression coefficient indicates that the movement of the variables are in: A. Same direction B. Opposite direction O C. Upward direction D. Downward direction O E. None of the preceding