1. TRUE OR FALSE: The t distribution is a family of curves that vary with the degrees of freedom.
2. TRUE OR FALSE: The t distribution is a family of curves that vary with the degrees of freedom.
3. The sample mean is an example of _________.
A. interval estimation
B. point estimation
C. confidence point
D. confidence numbers
3. How many t distributions are there?
A. 1
B. 2
C. 30
D. one for each value of df
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