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A student measured the mass of a rock to be 19.8 grams; the actual mass was 18.6 grams. What was the student's percent deviation?
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A student measured the mass of a rock to be 19.8 grams; the actual mass was 18.6 grams. What was the student's percent deviation?

User Kevin Secrist
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1 Answer

6 votes
The formula for percent deviation is

percent deviation = (measured - actual) ÷ actual × 100

Thus,

Percent deviation = (19.8 g - 18.6 g) ÷ 18.6 g × 100
Percent deviation = 6.45%

I hope I was able to answer your question. Have a nice day!
User Eraj
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8.0k points
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