If the null hypothesis for an independent-samples t test is ultimately true, then the observed difference between the sample means is due to _____. Must researchers only use the subscripts 1 and 2 when writing out null and alternative hypotheses? Why or why not?
If the null hypothesis for an independent-samples t test is ultimately true, then the observed difference between the sample means is due to _____.
Must researchers only use the subscripts 1 and 2 when writing out null and alternative hypotheses? Why or why not?
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