Which of the Following Is the Most Frequently Used Confidence

question 18

Multiple Choice

Which of the following is the most frequently used confidence level?

• A) 25%
• B) 45%
• C) 75%
• D) 95%

---

Definitions:

Percentiles

Statistical measures indicating the value below which a given percentage of observations in a group of observations falls.

Interquartile Range

A measure of variability, defined as the difference between the first and third quartiles, describing the middle 50% of a data set.

25th Percentile

A value below which 25% of the data falls.

75th Percentile

A value below which 75% of the data points in a dataset fall, used as a measure of dispersion.