Exam-style question
Try this first
Which of the following statements best describes systematic error?.
- A.It causes measurements to scatter around the true value.
- B.It consistently skews measurements in one direction.
- C.It is random and unpredictable in nature.
- D.It can be reduced by increasing the number of trials.
Model answer
What a good answer should say
- It consistently skews measurements in one direction.
Explanation
Why this works
Systematic error consistently affects measurements in a specific direction, leading to inaccurate results. This is different from random error, which causes variability around the true value.
Understanding this distinction helps in identifying and correcting measurement biases.
Common mistake
No common mistake is linked to this question yet.