Business

Erika

2 May, 10:37

If other factors are held constant, what happens to a confidence interval if the sample variance increases?

A. The standard error increases and the width of the interval increases.

B. The range of t scores increases and the width of the interval increases.

C. The standard error decreases and the width of the interval decreases.

D. The range of t scores decreases and the width of the interval decreases.