Concept explainers
Explain how a z-score identifies an exact location in a distribution with a single number.
To explain: How a z-score identifies an exact location in a distribution with a single number.
Answer to Problem 1P
A z-score identifies an exact location in a distribution with a single number is the sign of z-score describes the location is above the mean “plus sign” and location below the mean “minus sign” and the numerical value of z-score specifies the distance from the mean in terms of number of standard deviations.
Explanation of Solution
Each X value can be transformed into a z-score that specifies the exact location of X within the distribution. The sign of the z-score indicates whether the location is above or below the mean. Use the sign of z-score to explain the z-score specifies the exact location in a distribution with a single number.
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Chapter 5 Solutions
Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
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