For the given data value, find the standard score and the percentile.
-A data value $1.3$ standard deviations above the mean.
A) $z = 1.3$; percentile $= 2.2$
B) $z = 0.13$; percentile $= 55.96$
C) $z = - 1.3$; percentile $= 9.68$
D) $z = 1.3$; percentile $= 90.32$

Question

Quizplus · Accepted Answer

The standard score (z-score) is given as $1.3$, indicating the data value is $1.3$ standard deviations above the mean. The corresponding percentile for a $z$ score of $1.3$ is approximately $90.32$, indicating that about $90.32\%$ of the data falls below this value.

For the Given Data Value, Find the Standard Score and the Percentile