WEEK5QUIZ - prediction interval? Student Answer: Addition...

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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
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 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 
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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)...
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This note was uploaded on 10/07/2011 for the course EC 315 taught by Professor Barcus during the Spring '10 term at Park.

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WEEK5QUIZ - prediction interval? Student Answer: Addition...

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