Crowdly
Додати до Chrome
Assume that we have independent random samples of size n x and n y observati...
✅ Перевірена відповідь на це питання доступна нижче. Наші рішення, перевірені спільнотою, допомагають краще зрозуміти матеріал.
Assume that we have independent random samples of size nx and ny observations from normal populations with means μx and μy and unequal variances. The sample variances, and , are used and the means are and . Which of the following formulae is used to calculate the degrees of freedom, v, for the t statistic where the variances are unknown and assumed unequal?
0%
0%
0%
100%