Math Problem Statement
You work for a large farm with many fields of corn. You are investigating the mass of a sample of ears of corn. You gather the following data and enter it into your spreadsheet:
Mass(g) of ears of corn
13.9
18.2
14.8
17.0
19.1
15.7
18.5
12.7
15.5
38.6
18.1
18.5
14.0
21.8
29.3
12.7
19.6
19.1
13.6
19.0
15.0
17.0
13.8
15.1
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Descriptive Statistics
Data Analysis
Formulas
Mean: Mean = (Sum of all masses) / (Number of masses)
Median: Middle value of ordered data set
Range: Range = Max mass - Min mass
Standard Deviation: σ = sqrt((Σ(xi - μ)^2) / n)
Interquartile Range (IQR): IQR = Q3 - Q1
Theorems
Empirical Rule
Outlier Detection using IQR
Suitable Grade Level
Grades 9-12
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