FIND THE EQUATION OF THE REGRESSION LINE AND THE CORRELATION. PREDICT THE REACTION TIME BASED ON A DRUG PERCENT OF 3.5.
FIND THE EQUATION OF THE REGRESSION LINE AND THE CORRELATION. PREDICT THE REACTION TIME BASED ON A DRUG PERCENT OF 3.5.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question

Transcribed Image Text:Consider an experiment designed to estimate the linear relationship between the percentage of a
certain drug in the bloodstream of a subject and the length of time it takes the subject to react to a
stimulus. In particular, the researchers want to predict reaction time based on the amount of drug in
the bloodstream.
Araticaliteert o
ation.
Whaercenae of the sam alion in y can De eyiane
kaimnle dinear de
REACTIO
N TIME
PERCENT
4.5
X OF
IN
SECONDS
4
DRUG
3.5
y=0.7x-01
R =0.8167
3
2.5
4
1.5
1
0.5
2
r^2=.8167
From Excel
Interpret the Coefficient of Determination.
Finding the line of best fit using Sums of Squares
PERCENT X OF DRUG
REACTION TIME IN SECONDS
1
1
2
1
3
2
4
4
SSxx = 10
SSxy = 7
SSy = 6
MEAN FOR X IS 3 MEAN FOR Y IS 2
FIND THE EQUATION OF THE REGRESSION LINE AND THE CORRELATION.
PREDICT THE REACTION TIME BASED ON A DRUG PERCENT OF 3.5.
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