Math Problem Statement
Here are 6 celebrities with some of the highest net worths (in millions of dollars) in a recent year: George Lucas (5500), Michael Jordan (1700), Paul McCartney (1200), J. K. Rowling (1000), David Copperfield (1000), and Jerry Seinfeld (950) . Find the range, variance, and standard deviation for the sample data. What do the results tell us about the population of all celebrities? Based on the nature of the amounts, what can be inferred about their precision?
Solution
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Math Problem Analysis
Mathematical Concepts
Descriptive Statistics
Variance
Standard Deviation
Range
Mean
Formulas
Range = Max value - Min value
Variance (s^2) = (1/(n-1)) * Σ(xi - x̄)^2
Standard Deviation (s) = √Variance
Mean (x̄) = (Σ xi) / n
Theorems
Basic Statistical Theorems in Descriptive Analysis
Suitable Grade Level
Grades 10-12
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