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If other factors are held constant, what happens to a confidence interval if the sample variance increase O The range of t scores decreases and the width of the interval decreases. O The standard error increases and the width of the interval increases. O The standard error decreases and the width of the interval decreases. O The range of t scores increases and the width of the interval increases.

If other factors are held constant, what happens to a confidence interval if the sample variance increase O The range of t scores decreases and the width of the interval decreases. O The standard error increases and the width of the interval increases. O The standard error decreases and the width of the interval decreases. O The range of t scores increases and the width of the interval increases.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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If other factors are held constant, what happens to a confidence interval if the sample variance increases? O The range of t scores decreases and the width of the interval decreases. O The standard error increases and the width of the interval increases. O The standard error decreases and the width of the interval decreases. O The range of t scores increases and the width of the interval increases.
Transcribed Image Text:If other factors are held constant, what happens to a confidence interval if the sample variance increases? O The range of t scores decreases and the width of the interval decreases. O The standard error increases and the width of the interval increases. O The standard error decreases and the width of the interval decreases. O The range of t scores increases and the width of the interval increases.
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