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5: z-Scores / Normal Distribution
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Chapter Content
Introduction
What is a z-Score?
Location of Scores
Where is a Score Located Within its Distribution?
Example | Identifying z-Scores
Example | Location of a Raw Score
Example | Convert a Raw Score (x) to a z-Score
Example | Convert a z-Score to a Raw Score (x)
The z-Score Formula
The z-Score Formula
Convert a Raw Score (x) to a z-Score …with the z-Score Formula
Convert a z-Score to a Raw Score (x) …with the z-Score Formula
Using the z-Score Formula to Find the Standard Deviation
Using the z-Score Formula to Find the Mean
Standardizing a Distribution with z-Scores
Using z-Scores to Standardize a Distribution
The Shape of a Distribution of z-Scores
The Mean of a Distribution of z-Scores
The Standard Deviation of a z Distribution
Why Use z-Scores?
Comparing Scores From Different Distributions
Transforming the Mean and Standard Deviation of a Distribution
z-Scores and Samples
Converting a Sample Raw Score (x) to a z-Score
Converting a z-Score to a Sample Raw Score (x)
Finding the Sample Mean From a z-Score
Finding the Sample Standard Deviation From a z-Score
Chapter 5 Quiz
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