Statistics- #23 To compare the treatment effects of two medications
QUESTION
#23 To compare the treatment effects of two medications, two independent samples of patient performance data were collected. The sample sizes are 13 and 17 respectively. Assuming that the two populations shared the same variance, the researchers decided to conduct a two independent samples test for the means. What would be the number of degrees of freedom for the obtained t statistic with these sample sizes?
ANSWER:
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