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Mathematics, 05.06.2020 20:58 krystabrewer3

The graph below shows three different normal distributions. Which statement must be true?
Each distribution has the same mean and the same standard deviation.
Each distribution has the same mean and a different standard deviation.
Each distribution has a different mean and the same standard deviation.
Each distribution has a different mean and a different standard deviation.

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The graph below shows three different normal distributions. Which statement must be true?
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