Math Problem Statement
solve
Which of the choices below best describes how to measure the spread of these data? The table shows data about the amount of time students spend doing homework each week. The students were in either college or high school. The spread options include IQR and standard deviation.
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Spread of Data
Interquartile Range (IQR)
Standard Deviation
Formulas
Standard Deviation Formula: σ = √[(Σ(xi - μ)²) / N]
Interquartile Range (IQR): Q3 - Q1
Theorems
IQR for spread in data sets
Standard Deviation for spread in normal distributions
Suitable Grade Level
Grades 9-12
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