Question

Marcus estimates that 230 people will attend the choir contrary there was an actual total of 300 people who attended the choir concert What is the answer to this?

Answer 1

23% error since 70 more people attended then Marcus counted

Explanation:

To calculate the percent error:

1. We find the difference between the predicted and the actual.
2. We divide the absolute value of the difference by the actual recorded value.
3. Convert to a percent by multiplying by 100 and adding a % sign.

Marcus counted 230 and 300 actually came.

1. 230-300=-70 but the absolute value is 70

2. 70/300=0.23

3. 0.23(100)=23%

Marcus' estimated had a 23% error.