Math Problem Statement
The depth of two lakes is measured at multiple spots. For the first lake, the mean depth is about 45 feet with a standard deviation of 8 feet. For the second lake, the mean depth is about 60 feet with a standard deviation of 27 feet.
Noah says the second lake is generally deeper than the first lake. Do you agree with Noah?
The depth of two lakes is measured at multiple spots. For the first lake, the mean depth is about 45 feet with a standard deviation of 8 feet. For the second lake, the mean depth is about 60 feet with a standard deviation of 27 feet.
Noah says the second lake is generally deeper than the first lake. Do you agree with Noah?
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Mean
Standard Deviation
Data Variability
Formulas
Mean = (Sum of all values) / (Number of values)
Standard Deviation = sqrt((Sum of squared differences from the mean) / (Number of values - 1))
Theorems
Empirical Rule (68-95-99.7 rule for standard deviations)
Suitable Grade Level
Grades 9-12
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