Percent Increase, Decrease, Error

Front

What is percent error?

Back

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

Front

How do you calculate percent increase?

Back

Percent increase is calculated using the formula: Percent Increase = (New Value - Original Value) / Original Value * 100.

Front

How do you calculate percent decrease?

Back

Percent decrease is calculated using the formula: Percent Decrease = (Original Value - New Value) / Original Value * 100.

Front

What is the percent error in Janisha's guess about her dog's weight?

Back

14.9%.

Front

If Tawanna estimated 1200 people at a game but only 900 were there, what is her percent error?

Back

25%.

Front

What is the percent decrease in the price of a TV that went from $200 to $160?

Back

20%.

Front

What is the actual count of deer if the estimated population was 17,600 and the percent error is 17.4%?

Back

21,300.

Front

Find the percent increase from 6 liters to 8 liters.

Back

33.3%.

Front

What is the formula for calculating percent error?

Back

Percent Error = |(Estimated Value - Actual Value)| / Actual Value * 100.

Front

What does a percent increase indicate?

Back

A percent increase indicates how much a value has grown compared to its original amount.