Percent Error in Measurements

What is the percent of error when comparing an error to the actual value?

• The error is compared to the actual value.

• The error is compared to the total.

• The error is compared to the estimated value.

• The error is compared to the guess.

In the first example, what was the guess value?

• 10

• 20

• 30

• 40

In the first example, what was the actual value?

• 10

• 20

• 30

• 40

In the first example, what was the percent of error?

• 50%

• 33.3%

• 10%

• 20%

In the second example, what was the guess value?

• 24

• 22

• 20

• 18

In the second example, what was the actual value?

• 20

• 18

• 22

• 24

In the second example, what was the percent of error?

• 8.1%

• 9.1%

• 10.1%

• 11.1%

In the third example, what was the guess value?

• 105

• 95

• 90

• 100

In the third example, what was the actual value?

• 97.6

• 96.6

• 98.6

• 95.6

In the third example, what was the percent of error?

• 3.5%

• 2.5%

• 1.5%

• 4.5%