Question

Langston estimated the temperature to be 45°F . The thermometer showed the actual temperature to be 50°F. Complete the steps below to find the percent error of Langston’s estimate.

Answer 1

The percentage error is 11.1%

What is percentage error?

Percentage error is simply the difference between the exact and the estimated values as a percentage

The given parameters are:

• Estimate = 45
• Actual = 50

The percentage error is then calculated as:

$\% E = \frac{50 - 45}{45} \times 100\%$

Evaluate the difference

$\% E = \frac{5}{45} \times 100\%$

So, we have:

$\% E = \frac{500}{45} \%$

$\% E = 11.1\%$

Hence, the percentage error is 11.1%

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