WEEK5QUIZ

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

Grading Summary These are the automatically computed results of your exam.  Grades for essay questions, and comments from your  instructor, are in the "Details" section below.  Date Taken:  9/16/2011 Time Spent: 51 min , 38 secs  Points Received: 10 / 10  (100%)  Question Type: # Of Questions: # Correct: Multiple Choice 10 10 Grade Details

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

View Full Document
1. Question : . Given the following five points: (  2,0), (  1,0), (0,1), (1,1), and (2,3). What is the  critical value necessary to determine a confidence interval for a 95% level of  confidence?   Student Answer: 2.132    2.353    2.776    3.182    Points Received: 1 of 1    Comments:  2. Question : Which of the following is NOT a difference between a confidence interval and a
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: prediction interval? Student Answer: Addition of "1" under the radical for the prediction interval. Confidence interval uses the standard error of estimate and the prediction interval does not. Prediction interval refers to a specific case. Confidence interval is narrower than the prediction interval. Points Received: 1 of 1 Comments: 3. Question : What is the measure that indicates how precise a prediction of Y is based on X or, conversely, how inaccurate the prediction might be? * Times are displayed in (GMT-06:00) Central Time (US & Canada)...
View Full Document