The results of an independent measures study produce a t statistic with df = 36

Question

The results of an independent measures study produce a t statistic with df = 36 How many individuals participated in the entire study? 37 38 73 74 Assuming that there is a 5-point difference between the two sample means which set of sample characteristics is most likely to produce a significant value for the independent-measures t statistic? n_1 = n_2 = 25 and small sample variances n_1 = n_2 = 25 and large sample variances n_1 = n_2 = 100 and small sample variances QUESTION 3 n_1 = n_2 = 100 and large sample variances Can women experience "mother hearing"? Some research suggests that a woman's sense of hearing becomes more sensitive after giving birth Thirty women volunteer for an overnight sleep lab study During the night researchers expose them to a soft sound and increase the volume until they wake up the researchers recorded the volume in decibels (dB) for each

Explanation / Answer

1) for t statistics degrees of freedom is n-1. Here 36 DF. So total individual are DF + 1 = 37

2) n1 = n2 = 100 and small sample variance is right answer

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