Math Problem Statement
Consider a sample with data values of 27, 28, 20, 15, 30, 34, 25, and 28. show me sample variance
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Variance
Mean
Sample Variance
Formulas
Mean: Mean = (Σx) / n
Sample Variance: S^2 = Σ(xi - x̄)^2 / (n - 1)
Theorems
Central Limit Theorem (related to sampling distributions)
Suitable Grade Level
Grades 10-12
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