Math Problem Statement
Here is a sample data set ( ) that is nearly normal.
30.5 33.6 35 35 36.8 37.1 39.3 41 41.7 42 42.7 43 43.5 44.3 44.6 44.9 45.3 45.8 46 46 46.5 46.5 46.7 46.7 47.1 48.8 49.2 49.9 50.6 50.8 52.2 52.4 52.9 52.9 53.3 53.3 53.5 53.5 53.7 54 54 54.4 56.8 58.3 58.6 62.7 63.2 68
How many outliers are in this data set? ans =
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Outlier Detection
Interquartile Range (IQR)
Formulas
IQR = Q3 - Q1
Lower Threshold = Q1 - 1.5 * IQR
Upper Threshold = Q3 + 1.5 * IQR
Theorems
Interquartile Range (IQR) Method
Suitable Grade Level
Grades 10-12
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