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Which of the following is an example of a random error? (2020)

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Question: Which of the following is an example of a random error? (2020)

Options:

  1. Calibration error in a scale
  2. Fluctuations in temperature during measurement
  3. Incorrect reading of a dial
  4. Using a faulty instrument

Correct Answer: Fluctuations in temperature during measurement

Exam Year: 2020

Solution:

Random errors are caused by unpredictable variations in the measurement process, such as fluctuations in temperature.

Which of the following is an example of a random error? (2020)

Practice Questions

Q1
Which of the following is an example of a random error? (2020)
  1. Calibration error in a scale
  2. Fluctuations in temperature during measurement
  3. Incorrect reading of a dial
  4. Using a faulty instrument

Questions & Step-by-Step Solutions

Which of the following is an example of a random error? (2020)
  • Step 1: Understand what a random error is. Random errors are mistakes that happen by chance and are not consistent.
  • Step 2: Think about what can cause random errors. They can be caused by things like changes in the environment, such as temperature or humidity.
  • Step 3: Look for examples of random errors. An example could be if you measure the temperature of water and get slightly different readings each time due to small changes in the room temperature.
  • Step 4: Identify that random errors are different from systematic errors, which are consistent and predictable.
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