percent error

The attendance for the basketball game was estimated to be 15,000 people but 12,500 people attended. What was the percent error?

• 16.67%
• 20%
• 2500%
• 80%

Tags

CCSS.7.RP.A.3

Zed went to the store and bought a bag of chips.  He estimated there would be 350 chips in the package, but realized there were only 210 chips in that package.  What was his percent error?

• 35%
• 67%
• 85%
• 92%

Tags

CCSS.7.RP.A.3

Jessie estimates the weight of her cat to be 8 pounds.  The actual weight of the cat was 10 pounds.  Find the percent error.  

• 15%
• 20%
• 25%
• 30%

Tags

CCSS.6.RP.A.3C

Bob estimates that there will be 230 people who attend the concert.  There was an actual total of 300 people who attended.  Find the percent error.  

• 23%
• 33%
• 27%
• 37%

Tags

CCSS.7.RP.A.3

An archaeologist estimated that a fossil was 520 years old. It was actually 500 years old. What was the percent error?

• 4%
• 20%
• 3.8%
• none of these

Tags

CCSS.7.RP.A.3

Griffin was buying a birthday card, he thinks the price is $4.50, but the actual price is $4. What is his percent of error?

• 50%
• 0.5%
• 12.5%
• 0.125%

Tags

CCSS.7.RP.A.3

Sam thinks the cost of the book is $50, but actually it's $56. What is Sam's percent of error?

• 10.7%
• 6%
• 12%
• 89%

Tags

CCSS.7.RP.A.3

Andrew expected $60 for his birthday, but only got $40. What is the percent of error?

• 50%
• 20%
• 67%
• 150%

Tags

CCSS.7.RP.A.3

You guessed that the Chicago Cubs would win 95 games during the regular season. They actually won 103. What was your percent error? Round to the nearest tenth if necessary.

• 7.8%

• 7.4%

• 0.77%

• 0.78%

Tags

CCSS.7.RP.A.3

Heather performs an experiment to measure the acceleration of an object due to Earth’s gravitational force and discovers the acceleration of an object is 10.91 meters per second. The actual acceleration of the object is 9.80 meters per second. Approximately what is Heather’s percent error?

• 0.11%

• 1.11%

• 11.33%

• 10.17%

Tags

CCSS.7.RP.A.3