Math Problem Statement
A random sample of size twenty of a golfer’s scores are given: 39, 40, 40, 41, 39, 40, 44, 43, 40, 41, 40, 41, , 41, 42, 43, 40, 41, 41, 41, 43. Compute the mean, sample variance and the sample standard deviation for the sample of the golfer’s scores.
Solution
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Math Problem Analysis
Mathematical Concepts
Descriptive Statistics
Mean
Variance
Standard Deviation
Formulas
Mean: \( \bar{x} = \frac{\sum_{i=1}^{n} x_i}{n} \)
Sample Variance: \( s^2 = \frac{\sum_{i=1}^{n} (x_i - \bar{x})^2}{n - 1} \)
Sample Standard Deviation: \( s = \sqrt{s^2} \)
Theorems
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Suitable Grade Level
High School
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