Question: To test the difference between the means, two independent samples each with size less than 30 are drawn fromnormal populations. If the population variances are

To test the difference between the means, two independent samples each with size less than 30 are drawn fromnormal populations. If the population variances are unknown and unequal, then the sampling distribution of the resulting test statistic would be:

Select one:

Student t.

approximately normal.

F-distribution

normal.

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