The average new car cost (in dollars) for selected years from 1980 to 2005 is given in
Question:
The average new car cost (in dollars) for selected years from 1980 to 2005 is given in the table.
a. Find a linear equation for the average new car cost in terms of , the number of years since 1980, using the data for 1980 and 2005.
b. Repeat part a, using the data for 1995 and 2005.
c. Find the equation of the least squares line using all the data.
d. Use a graphing calculator to plot the data and the three lines from parts a-c.
e. Discuss which of the three lines found in parts a–c best describes the data, as well as to what extent a linear model accurately describes the data.
f. Calculate the correlation coefficient.
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a b d e We have points and x1y10 750...View the full answer
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I have a teaching experience of more than 4 years by now in diverse subjects like History,Geography,Political Science,Sociology,Business Enterprise,Economics,Environmental Management etc.I teach students from classes 9-12 and undergraduate students.I boards I handle are IB,IGCSE, state boards,ICSE, CBSE.I am passionate about teaching.Full satisfaction of the students is my main goal.
I have completed my graduation and master's in history from Jadavpur University Kolkata,India in 2012 and I have completed my B.Ed from the same University in 2013. I have taught in a reputed school of Kolkata (subjects-History,Geography,Civics,Political Science) from 2014-2016.I worked as a guest lecturer of history in a college of Kolkata for 2 years teaching students of 1st ,2nd and 3rd year. I taught Ancient and Modern Indian history there.I have taught in another school in Mohali,Punjab teaching students from classes 9-12.Presently I am working as an online tutor with concept tutors,Bangalore,India(Carve Niche Pvt.Ltd.) for the last 1year and also have been appointed as an online history tutor by Course Hero(California,U.S) and Vidyalai.com(Chennai,India).
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Related Book For 
Calculus With Applications
ISBN: 9780321831101
10th Edition
Authors: Margaret L Lial, Raymond N Greenwell, Nathan P Ritchey
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