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Null Hypothesis (H0): The mean number of lab classes taken in 2000 is equal to the mean number of lab classes taken in 2010. Alternative

Null Hypothesis (H0): The mean number of lab classes taken in 2000 is equal to the mean number of lab classes taken in 2010. Alternative Hypothesis (H1): The mean number of lab classes taken in 2000 is different from the mean number of lab classes taken in 2010

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