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? Question content area bottom Part 1 The range is $ 4550 million. (Round to the nearest integer as needed.) Part 2 The variance is enter your response here million dollars squared. (Round to the nearest integer as needed.)
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Range
Variance
Standard Deviation
Mean
Formulas
Range = Highest value - Lowest value
Variance (σ²) = Σ((x - μ)²) / (n - 1)
Standard Deviation (σ) = √Variance
Mean (μ) = Σx / n
Theorems
Statistical sample variance and standard deviation
Suitable Grade Level
Grades 10-12
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