Math Problem Statement

A data set has a mean of x = 7.3 and a standard deviation of 2.5. Find the z-score for each of the following. x = 6.2 x = 7.2 x = 9.0 x = 5.0

Solution

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Math Problem Analysis

Mathematical Concepts

Statistics
Z-Scores
Standard Deviation

Formulas

z = (x - μ) / σ

Theorems

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Suitable Grade Level

Grades 9-12