Question
The t test should be used instead of the z distribution to test the difference between two means when Group of answer choices the size
The t test should be used instead of the z distribution to test the difference between two means when
Group of answer choices
the size of the population is difficult to estimate.
the scores of the two samples are correlated.
N is less than 30.
very large samples are studied.
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Mostly Harmless Econometrics An Empiricist's Companion
Authors: Joshua Angrist
1st Edition
1400829828, 9781400829828
