Asked by Autumn McKay on May 25, 2024
Verified
A z-score is the number of units of standard deviation a value is above or below the mean.
Z-score
A numerical measurement that describes a value's relationship to the mean of a group of values, expressed in terms of standard deviations from the mean.
Standard Deviation
A statistical measure that quantifies the amount of variation or dispersion of a set of data values.
Mean
A statistical measure representing the average value of a set of numbers, calculated by dividing the sum of all values by the count of values.
- Understand how to calculate and interpret z-scores.
Verified Answer
SM
Shanika McCallumMay 27, 2024
Final Answer :
True
Explanation :
A z-score is calculated by subtracting the population mean from a raw score and then dividing the result by the population standard deviation, so it is a measure of how many standard deviations a value is away from the mean.
Learning Objectives
- Understand how to calculate and interpret z-scores.