Which of the following is a common source of random error in measurements? (2022

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Question: Which of the following is a common source of random error in measurements? (2022)

Options:

Correct Answer: Environmental changes

Exam Year: 2022

Solution:

Environmental changes can cause variations in measurements, leading to random errors.

Which of the following is a common source of random error in measurements? (2022)

Which of the following is a common source of random error in measurements? (2022)

Step 1: Understand what random error means. Random errors are unpredictable variations in measurements that can occur due to various factors.
Step 2: Identify a common source of random error. One common source is changes in the environment, such as temperature, humidity, or air pressure.
Step 3: Recognize that these environmental changes can affect the measurement tools or the conditions under which measurements are taken.
Step 4: Conclude that because of these variations caused by environmental changes, random errors can occur in measurements.

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