Math Problem Statement

Find the sample variance and standard deviation for the following sample: 15, 30, 21, 19, 10. Round the answers to two decimal places as needed.

Solution

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Math Problem Analysis

Mathematical Concepts

Statistics
Variance
Standard Deviation

Formulas

Variance formula: σ² = Σ(xi - x̄)² / (n - 1)
Standard deviation formula: σ = √Variance

Theorems

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Suitable Grade Level

College-level or advanced high school statistics