A two-dimensional plot of the observed data values on the vertical-axis with their corresponding quartile values from a standardized normal distribution on the horizontal-axis is referred to as a:
A)normal probability plot.
B)quartile plot.
C)normal probability distribution.
D)normal-quartile plot.

Question

Quizplus · Accepted Answer

A normal probability plot is a graphical technique for assessing whether or not a data set is approximately normally distributed. The data are plotted against a theoretical normal distribution in such a way that the points should form an approximate straight line if the data are normally distributed.

A Two-Dimensional Plot of the Observed Data Values on the Vertical-Axis