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Approximately what percentage of scores fall within one standard deviation of the mean in a normal distribution?
- A34%
- B95%
- C99%
- D68%
Answer not set
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0
CCommunity
I think 68% is right
0
CCommunity
Following the empirical rule:
- Around 68% of scores are between 40 and 60.
- Around 95% of scores are between 30 and 70.
- Around 99.7% of scores are between 20 and 80.
Therefore the ans could be 68%
- Around 68% of scores are between 40 and 60.
- Around 95% of scores are between 30 and 70.
- Around 99.7% of scores are between 20 and 80.
Therefore the ans could be 68%