Answer:
a. z-score.
Correct as we can see on the the z score measure how many deviations a value x is from the mean.
Step-by-step explanation:
Previous concepts
Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".
The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".
And is defined as [tex] z = \frac{x-\mu}{\sigma}[/tex]
a. z-score.
Correct as we can see on the the z score measure how many deviations a value x is from the mean.
b. range.
False the range is defined as R =Max-Min and can't measure the deviations that the data lies from the mean
c. variation.
False that's a measure to see the dispersion but not to see the deviations that the data lies from the mean
d. mean.
False the mean is a measure of central tendency to see a midpoint on the data