Determine and Interpret z-Scores
-Find the $z$-score for the value 76 , when the mean is 63 and the standard deviation is 4 .
A) $\mathrm { z } = 3.25$
B) $z = 3.00$
C) $\mathrm { z } = - 1.14$
D) $z = 1.14$

Question

Quizplus · Accepted Answer

The $z$-score is calculated using the formula $z = \frac{(X - \mu)}{\sigma}$, where $X$ is the value, $\mu$ is the mean, and $\sigma$ is the standard deviation. Substituting the given values, $z = \frac{(76 - 63)}{4} = \frac{13}{4} = 3.25$.

Determine and Interpret Z-Scores -Find The zzz -Score for the Value 76 , When the Mean Is

Determine and Interpret Z-Scores
-Find The $z$ -Score for the Value 76 , When the Mean Is