ioe366f09-FinalExam-Solution

ioe366f09-FinalExam-Solution - IOE 366 F2009 Final Exam...

This preview shows pages 1–3. Sign up to view the full content.

IOE 366 F2009 Final Exam Solution Part 1 (20 Points Total). True or False and Fill-in-the-Blank Questions(5 Questions, 2 Point Each, 10 Points Total) 1. The least squares regression line is obtained when the sum of the squared residuals is minimized. True False Answer: True 2. The simple linear regression model is is a random variable assumed to be __________ distributed, with ANSWER: normally, 0, 3. To select a quarter-fraction of a factorial experiment possible treatment conditions), the number of generators that must be selected is __________. ANSWER: two 4. The t critical value for a confidence level of 90% for the slope of the regression line, based on a sample of size 20, is t = __________. ANSWER: 1.734 5. Many statisticians recommend ______ ____ for an assessment of model validity and assumptions. These include plotting the residuals or standardized residuals on the vertical axis versus the fitted values or the observation order on the horizontal axis. ANSWER: residual plots 1 of 11

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
IOE 366 F2009 Final Exam Solution Multiple Choice (5 Questions, 2 Points Each, 10 Points Total) Please select the best answer.
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

• 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.

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

• 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.

Dana University of Pennsylvania ‘17, Course Hero Intern

• 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.

Jill Tulane University ‘16, Course Hero Intern