Question: Given the following data, is there a difference between means? Sample 1 Sample 2 Sample mean (X) 4.8 5.4 Sample variance (S2 ) 1.1 1.3

Given the following data, is there a difference between means?

Sample 1 Sample 2 Sample mean (X) 4.8 5.4 Sample variance (S2

) 1.1 1.3 Sample size (n) 34 38 How about if the standard deviation changes as in the table below? What does this mean?
Sample 1 Sample 2 Sample mean (X) 4.8 5.4 Sample variance (S2

) 1.5 1.4 Sample size (n) 34 38

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