Unequal Sample Sizes

Questions

Question 1 out of 3.
The biggest problem caused by unequal sample sizes is

The calculations are extremely difficult.

The statistical results are only approximate.

Unequal sample sizes result in confounding.

Unequal sample sizes indicate a poor experimental design.


Question 2 out of 3.
Which of the following eliminates confounding?

Unweighted means

Weighted means

Correction for continuity


3 out of 3.
Which of the following eliminates confounding?

Type I sums of squares

Type III sums of squares