Percent Error

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What is Percent Error?

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Percent Error is a measure of how inaccurate a measurement is, expressed as a percentage of the actual value. It is calculated using the formula: Percent Error = |(Estimated Value - Actual Value)| / Actual Value * 100.

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How do you calculate Percent Error?

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To calculate Percent Error, use the formula: Percent Error = |(Estimated Value - Actual Value)| / Actual Value * 100.

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If you estimated 256 gumballs in a jar and there were actually 310, what is the Percent Error?

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17%.

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What is the formula for finding the absolute error?

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Absolute Error = |Estimated Value - Actual Value|.

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If Jessie estimated her cat's weight to be 8 pounds and the actual weight was 10 pounds, what is the Percent Error?

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20%.

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What does a Percent Error of 0% indicate?

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A Percent Error of 0% indicates that the estimated value is exactly equal to the actual value.

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If the deer population was estimated at 17,600 but counted at 21,300, what is the Percent Error?

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17.4%.

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What is the significance of Percent Error in real-world applications?

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Percent Error helps to assess the accuracy of estimates and predictions in various fields such as science, economics, and engineering.

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If you guessed that the St. Louis Cardinals would win 93 games and they actually won 102, what is the Percent Error?

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9%.

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What is the relationship between Percent Error and accuracy?

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A lower Percent Error indicates higher accuracy in the estimation or measurement.