14111cn1.10 - .by pressing ENTER You can then highlight any...

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
c Kendra Kilmer August 18, 2011 Calculator Steps Enter your x and y values into lists. To do this, hit STAT and select 1: Edit... If you have anything in L1 and L2, cursor up to the name of the list, hit CLEAR and ENTER. Now just enter in your values one at a time by pressing ENTER after each number. To find the regression equation, first hit STAT, cursor right to CALC and select option 4: LinReg(ax+b). To have the calculator automatically store the equation into Y1 press VARS, arrow to Y-Vars, select 1:Function and then select Y1. Note: Your homescreen should say LinReg(ax+b) Y1 . Now press ENTER To graph the regression line with data points, first enter the equation of the line into Y1(if you didn’t automatically store it there). Then make sure your stat plot is turned on. To do this, hit 2nd Y= and select 1...by pressing
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ..by pressing ENTER. You can then highlight any of the options you would like. Now press ZOOM and select 9: ZoomStat. You will have a plot of the original data points and the least squares line. Example 2: A manufacturer of electric motors, submitted the accompanying data. The table shows the net sales (in millions of dollars) during a 5 year period: Year Net Sales 1999 426 2000 437 2001 460 2002 473 2003 477 a) Determine the equation of the least-squares line for these data. (Let x represent the number of years since 1999.) b) Draw a scatter diagram and the least-squares line for these data. c) Use the result obtained in part (a) to predict the net sales for 2010. d) When will the net sales reach $500 million? Section 1.5 Highly Suggested Homework Problems: 3, 7, 11 10...
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern