Math Problem Statement
Here are 6 celebrities with some of the highest net worths (in millions of dollars) in a recent year:
George LucasGeorge Lucas
(55005500),
Steven SpielbergSteven Spielberg
(37003700),
Oprah WinfreyOprah Winfrey
(32003200),
Paul McCartneyPaul McCartney
(12001200),
J. K. RowlingJ. K. Rowling
(10001000),
and
Jerry SeinfeldJerry Seinfeld
(950950)
.
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
Range
Variance
Standard Deviation
Formulas
Range = Max value - Min value
Sample variance s^2 = (1 / (n-1)) * Σ(x_i - x̄)^2
Standard deviation s = √(variance)
Theorems
None (Statistical measures do not involve specific theorems)
Suitable Grade Level
Grades 9-12
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