Discussion
For degrees of freedom (df) \(\gt\) 1, the mean (μ) of the t-distribution is
Answer: A
For degrees of freedom above 1, the mean of the t-distribution is zero.
The t-distribution is symmetric about zero, like the normal distribution but with heavier tails, and its mean exists only when df is greater than 1. The mean does not depend on df (only the spread does), and it is not 1 or 2.
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