If sample data are taken from a population that is normally distributed, a normal probability plot of theobserved data values versus the expected z scores will
A) be approximately linear.
B) have no discernable pattern.
C) look exponential in nature.
D) have a correlation coefficient near 0.

Question

Quizplus · Accepted Answer

A normal probability plot of observed data values versus the expected z scores will be approximately linear if the sample data come from a normally distributed population. This is because the plot is designed to assess whether the data follow a normal distribution by comparing the data's distribution to a theoretical normal distribution.

If Sample Data Are Taken from a Population That Is