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5.1. Future Topics in Environmental Analysis
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11 questions on this section. Wrong answers show you what to read again.
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Revision test
Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
3 cards from this lesson. Good the night before a test.
Try these first
- 1.
Define accuracy in the context of environmental analysis.
Hint
Think about the relationship between measured values and the actual 'real' values.
- 2.
What is a standard?
Hint
Consider who or what sets these standards.
- 3.
What is accuracy primarily concerned with in environmental analysis?
- Reliability of instruments
- Closeness to the true value
- Frequency of measurement
Hint
Think about measuring something and how it relates to its actual value.
- 4.
True or False: Calibration is a one-time process that does not need to be repeated.
- True
- False
Hint
Consider how instrument reliability is maintained over time.
- 5.
An environmental lab continuously reports concentrational values that are either higher or lower than the expected range of toxicants in a water sample. Draft a procedure to identify the underlying measurement error.
Hint
Remember the importance of checking the calibration status regularly!
- 6.
You are tasked to analyze air quality data over a period of months. How would you ensure that the data retains its relevance and accuracy over time?
Hint
Recall how often recalibration is necessary for maintaining measurement accuracy.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
1 more question available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting