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