Why Does Correcting the Standard Deviation to Account for Error

question 30

Multiple Choice

Why does correcting the standard deviation to account for error in a t test make a much bigger difference for small samples than it does for larger ones?

• A) We subtract 1 from the sample size, which removes a greater proportion of the total and corrects to a greater degree for smaller sample sizes compared to larger ones.
• B) Small samples are biased.
• C) We add 1 to the sample size, which removes a greater proportion of the total for smaller sample sizes compared to larger ones.
• D) Large samples are biased.

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