Question

the crowd at a soccer game is estimated to be 1,200 people. the exact attendance is 1,280. what is the percent error? find the percent error. solve on paper, and then check your answer on zearn. round to the nearest tenth of a percent. the percent error is %

Explanation:

Step1: Calculate the absolute error

Absolute error = |Estimated value - Exact value|
Absolute error = |1200 - 1280| = 80

Step2: Calculate the percent error

Percent error formula is $\frac{\text{Absolute error}}{\text{Exact value}}\times100\%$
Percent error = $\frac{80}{1280}\times100\%$
First, simplify $\frac{80}{1280}=\frac{1}{16}$
Then, $\frac{1}{16}\times100\% = 6.25\%$
Rounding 6.25% to the nearest tenth of a percent gives 6.3%

Answer:

6.3