Solved by Expert Tutors
Solved by Expert Tutors

. BOX ALL FINAL ANSWERS ************************************************************************************

1.  (4 pts) The population of Aurora, Colorado for the years 1960 through 2010 is included in the table.


Year x Population

1960 48,548

 1970 74,974

1980 158,588

1990 222,103

2000 276,393

2010 325,078


a.      (0.3) Aligning the years so that ? = 0 in 1960, complete the middle column by entering the appropriate aligned ? value.  

b.      (1.0) Perform a linear regression using the aligned inputs from part a, and write the regression equation in the form ? = jQuery22406862623461736679_1592020884776 + ? where ? and ? are rounded to three decimal places.


Regression Equation: _________________________________________


c.      (0.2) Record the coefficient of determination here (4 decimal places) : _________


d.      (0.3) What does this coefficient of determination result tell you about the regression equation vs the data?


e.      (0.3) Based on the regression equation (model), what is the rate of change in Aurora's population during this period?  


f.       (0.5) Using the model (unrounded regression equation) evaluate ?(45). Show algebraic work.


g.      (0.2) Interpret your result in part f in the context of this problem.  As a sentence. [Assume we do not count fractions of residents.]


h.      (0.7) In which year did Aurora's population reach 250,000 residents. Show algebraic work. 


2.  Solve the equation algebraically (show all work):             − ? = 6 − ? 3




Solve ? =   for ?.



Step-by-step answer

The student who asked this found it Helpful

cing elit. Namacinia pulvi


ce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam

a. F ng e cong onec aliqu ultric ctum v a. Fus dict ec al ac, dictum v usce dui lectus, cong ng e lestie gue dictum vitae odio mole ipsu or ne ce dui lectus, cong su Fusce dui lectus et, s a mol

Subscribe to view the full answer

Subject: Algebra, Math

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question
Let our 24/7 Algebra tutors help you get unstuck! Ask your first question.
A+ icon
Ask Expert Tutors You can ask You can ask You can ask (will expire )
Answers in as fast as 15 minutes