Interpret the slope of the regression line in terms of the problem.  Predict the weight of trash in a household of 5 people.  If the correlation coefficient is r = 0.877, find the proportion of variation in the weight of trash based on its linear relationship with the number of people in the household. Does this value make you comfortable making predictions

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Data was collected on the weight of trash in a household(in lbs.) and the number of people in the household. The equation of the linear relationship between the variables is given as 

Trash = 2.34+ 11.30( People ) 

  1. Interpret the slope of the regression line in terms of the problem. 
  2. Predict the weight of trash in a household of 5 people. 
  3. If the correlation coefficient is r = 0.877, find the proportion of variation in the weight of trash based on its linear relationship with the number of people in the household. Does this value make you comfortable making predictions? 
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