Mathematics, 04.05.2021 23:00 mads000

A teacher wants to compare scores on a geology exam for two classes. The difference between the sample means is 21.4. If the standard deviation of the distribution of the difference between sample means is 16.66, and she is testing the hypothesis at the 68% confidence level, which statement is true?

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A teacher wants to compare scores on a geology exam for two classes. The difference between the samp...

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