Question

Example 3 - Find Percent Error (Page 539)Shaun estimated that the attendance at college lacrosse gamewas 3,000. The actual attendance was 3,296. What is thepercent error of Shaun's estimate? Round to the nearest wholepercent.Percent error describes theaccuracy of a measured orestimated value comparedto an actual value.It is always a positivepercentUse absolute value to find the positive difference betweenthe estimated and actual attendance. Then use the percentequation to find the percent error. It is always a positivepercent.amountof change= percent originalchange amountdifference in attendance = percent error actual attendanceSchool- 0 X→De SDPBCEShaun's attendance estimate has a percent error of about%IIIEdit

Answer 1

In our problem Shaun estimated that there would be 3000 people who will attend the game, but instead the actual people who came to the game was 3,296. Therefore Shaun made a mistake (or an error) estimating the number of people who will come to the game.

That mistake or error is called percent error. Percent Error is used when estimating something since we can't always assume that everytime we estimate something we are always right. It is used to provide a range of acceptable value of the estimated parameter.

The formula for the percent of error or