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Questions and Answers
What is the most likely value for the standard deviation of the students' scores?
What is the most likely value for the standard deviation of the students' scores?
- 13 (correct)
- -10
- 0
- 63
If the standard deviation of the students' scores is 0, what does it imply?
If the standard deviation of the students' scores is 0, what does it imply?
- All students scored the same (correct)
- The scores were evenly distributed
- The mean score was 0
- There was no variation in the scores
What does a standard deviation of -10 indicate about the students' scores?
What does a standard deviation of -10 indicate about the students' scores?
- The mean score was negative
- There was no dispersion in the scores (correct)
- The scores were negatively skewed
- The scores were all below the mean
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Study Notes
Standard Deviation
- The most likely value for the standard deviation of the students' scores is unknown or uncertain, as it depends on the distribution of scores.
- If the standard deviation of the students' scores is 0, it implies that all students have the same score, with no variation or dispersion.
- A standard deviation of -10 is impossible, as the standard deviation cannot be negative; it can only be positive or zero.
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