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Accuracy vs. Precision in Chemistry: Definitions & Comparisons

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Susan conducts an experiment five times and gets a solution concentration of 1.9M, 2.1M, 1.8M, 1.9M, and 2.2M. The known concentration of the solution is 2.0M. Which of the following are true about Susan's results?

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1. Martin is conducting an experiment. His first test gives him a yield of 5.2 grams. His second test gives him a yield of 1.3 grams. His third test gives him a yield of 8.5 grams. On average, his yield is 5.0 grams, which is close to the known yield of 5.1 grams of substance. Which of the following are true?

2. Jared is practicing for a golf tournament. His normal driver distance is 250 yards. He hits three balls with his driver, and they travel a distance of 190 yards, 195 yards, and 187 yards. Which of the following is true?

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About This Quiz & Worksheet

See if you can identify whether a chemistry experiment's results are accurate, precise, both or neither with this quiz and worksheet.

Quiz & Worksheet Goals

Measure how well you can do the following:

  • Read sample scenarios and identify whether the results are accurate and/or precise
  • Define accuracy
  • Define precision

Skills Practiced

  • Problem solving - use acquired knowledge to solve accuracy and precision practice problems
  • Interpreting information - verify you can read information regarding what makes a result precise and interpret it correctly
  • Distinguishing differences - compare and contrast topics from the lesson, such as accuracy and precision

Additional Learning

Continue your studies on the differences between these two concepts with the corresponding lesson, Accuracy vs. Precision in Chemistry: Definitions & Comparisons. This lesson will help you:

  • Understand how accuracy and precision apply to chemistry
  • Appreciate how to identify examples of accuracy and precision
  • Know the importance of having simultaneously accurate and precise measurements
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