Math Problem Statement

Temukan ragam dan simpangan baku dari data : 28, 30, 21, 24, 26, 20,, 23, and 20

Solution

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Math Problem Analysis

Mathematical Concepts

Statistics
Variance
Standard Deviation
Mean

Formulas

Mean = (Sum of data points) / (Number of data points)
Variance = Sum of squared differences from the mean / Number of data points
Standard Deviation = Square root of variance

Theorems

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Suitable Grade Level

Grades 9-12