Calculating Percent Error: Comparing Experimental Values
Authored by Anthony Clark
English, Mathematics
7th Grade
CCSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A scientist measures the boiling point of water and finds it to be 102 degrees Celsius. What is the percent error if the theoretical boiling point is 100 degrees Celsius?
2%
3%
1%
5%
Tags
CCSS.6.RP.A.3C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student calculates the density of a substance to be 8.5 g/cm³, while the accepted density is 8.0 g/cm³. What is the percent error in the student's measurement?
7.50%
10.00%
6.25%
5.00%
Tags
CCSS.6.RP.A.3C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A factory produces light bulbs that are supposed to last 1000 hours. If a batch of bulbs lasts an average of 950 hours, what is the percent error in the expected lifespan?
5%
2%
10%
7%
Tags
CCSS.6.RP.A.3C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A recipe calls for 200 grams of sugar, but a chef accidentally uses 220 grams. What is the percent error in the amount of sugar used?
20%
15%
5%
10%
Tags
CCSS.6.RP.A.3C
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car's fuel efficiency is tested, and it is found to be 25 miles per gallon, while the manufacturer claims it should be 30 miles per gallon. What is the percent error in the fuel efficiency?
25%
16.67%
20%
10%
Tags
CCSS.6.RP.A.3C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student measures the height of a plant to be 15 cm, but the expected height is 18 cm. Calculate the percent error in the student's measurement.
16.67%
5%
25%
10%
Tags
CCSS.6.RP.A.3C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A chemist expects to yield 50 grams of a product from a reaction but only obtains 45 grams. What is the percent error in the yield?
15%
5%
20%
10%
Tags
CCSS.6.RP.A.3C
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