aisbell5638 aisbell5638
  • 12-01-2023
  • Mathematics
contestada

Why are t statistics more variable than z-scores?
The extra variability is caused by variations in the sample variance.
The extra variability is caused by variations in the sample mean.
None of the other options explains the extra variability for t statistics.
The extra variability is caused by variations in the df value.

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