1. Problem Solving а. A study was conducted at Virginia Tech to determine if certain static arm- strength measures have an influence on the "dynamic lift" characteristics of an individual. Twenty-five individuals were subjected to strength tests and then were asked to perform a weight- lifting test in which weight was dynamically lifted overhead. The data are given here. Arm Dynamic Lift, y 71.7 Strength, a 17.3 19.3 19.5 19.7 Individual 2 3 4 48.3 88.3 75.0 22.9 23.1 26.4 26.8 27.6 28.1 28.2 28.7 29.0 91.7 100.0 6 7 8 73.3 65.0 75.0 88.3 68.3 96.7 10 11 12 13 14 29.6 29.9 29.9 30.3 31.3 36.0 39.5 40.4 44.3 44.6 50.4 76.7 78.3 60.0 71.7 85.0 85.0 88.3 100.0 100.0 100.0 91.7 15 16 17 18 19 20 21 22 23 24 100.0 25 55.9 71.7
1. Problem Solving а. A study was conducted at Virginia Tech to determine if certain static arm- strength measures have an influence on the "dynamic lift" characteristics of an individual. Twenty-five individuals were subjected to strength tests and then were asked to perform a weight- lifting test in which weight was dynamically lifted overhead. The data are given here. Arm Dynamic Lift, y 71.7 Strength, a 17.3 19.3 19.5 19.7 Individual 2 3 4 48.3 88.3 75.0 22.9 23.1 26.4 26.8 27.6 28.1 28.2 28.7 29.0 91.7 100.0 6 7 8 73.3 65.0 75.0 88.3 68.3 96.7 10 11 12 13 14 29.6 29.9 29.9 30.3 31.3 36.0 39.5 40.4 44.3 44.6 50.4 76.7 78.3 60.0 71.7 85.0 85.0 88.3 100.0 100.0 100.0 91.7 15 16 17 18 19 20 21 22 23 24 100.0 25 55.9 71.7
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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Question
(a) Estimate β0 and β1 for the linear regression curve μY|x=β0+β1x.
(b) Find a point estimate of μY |30.
(c) Plot the residuals versus the x’s (arm strength).
Make your own conclusion
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