Occasionally,a Confidence Interval for Population Variability May Be Desired

question 115

Multiple Choice

Occasionally,a confidence interval for population variability may be desired.In this case,the confidence interval could be found for the ________.

• A)mean
• B)median
• C)standard deviation
• D)proportion

---

Definitions:

Chi-Square Test

A statistical test used to determine if there is a significant difference between observed frequencies and expected frequencies in categorized datasets.

Independence

A situation in statistics where two events are not influenced by each other, and the occurrence of one does not affect the probability of occurrence of the other.

Chi-Square Statistic

A statistical measure used to evaluate the differences between observed and expected frequencies in categorical variables.

Observed Frequencies

The number of times a particular value or event actually occurs in a dataset.