The standard score for any observation is the
A) number of standard deviations the observation is from the mean.
B) range covered by the middle half of the data.
C) distance from the mean to the point where the concavity of the density curve changes.
D) percentage of data values that fall at or below the observation.

Question

Quizplus · Accepted Answer

The standard score, also known as the z-score, is a measure of how many standard deviations an observation is from the mean. It is calculated by subtracting the mean from the observation and dividing by the standard deviation. The resulting value represents the number of standard deviations the observation is from the mean.

The Standard Score for Any Observation Is the