Find and Interpret the Area Under a Normal Curve
-Use $\mathrm { P } ( - 2.25 < \mathrm { z } < 0 )$

question 38

Multiple Choice

Find and Interpret the Area under a Normal Curve
-Use the standard normal distribution to find $\mathrm { P } ( - 2.25 < \mathrm { z } < 0 )$ .

• A) \(0.4878\)
• B) \(0.5122\)
• C) \(0.6831\)
• D) \(0.0122\)

---

Definitions:

Levels

Different values or categories that a variable can take, often used in the context of categorical variables in research.

dfWG

Degrees of freedom within groups, a term used in statistical analysis, particularly ANOVA, to indicate the number of independent pieces of information available to estimate variances within the groups.

Degrees of Freedom

A concept in statistics that refers to the number of values in a calculation that are free to vary without violating the constraints of the calculation.

Levels Minus One

In analysis of variance (ANOVA), it refers to the number of levels in a factor minus one, which dictates the number of comparisons that can be made.