Find the standard score for the given data value.
-A data value in the 31st percentile.
A) $\mathrm { z } = 61.79$
B) $\mathrm { z } = 0.5$
C) $\mathrm { z } = - 0.5$
D) $z = - 1.9$

Question

Quizplus · Accepted Answer

The 31st percentile falls below the mean (50th percentile), indicating a negative z-score. A z-score of -0.5 corresponds to approximately the 31st percentile in a standard normal distribution.

Find the Standard Score for the Given Data Value z=61.79\mathrm { z } = 61.79z=61.79

Find the Standard Score for the Given Data Value $\mathrm { z } = 61.79$