If other factors are held constant, what happens to a confidence interval if the sample variance increases? AThe standard error increases and the width of the interval increases. BThe range of t scores increases and the width of the interval increases. CThe standard error decreases and the width of the interval decreases. DThe range of t scores decreases and the width of the interval decreases.
If other factors are held constant, what happens to a confidence interval if the
sample variance increases?
AThe standard error increases and the width of the interval increases.
BThe range of t scores increases and the width of the interval increases.
CThe standard error decreases and the width of the interval decreases.
DThe range of t scores decreases and the width of the interval decreases.