Refer to the information provided in Figure 18.4 below to answer the questions that follow. 
Figure 18.4
-Refer to Figure 18.4. The second poorest fifth of families earned ________% of income in Outland.
Definitions:
ANOVA Table
A tabular representation used in analysis of variance to summarize the sources of variation between groups and within groups.
Population Standard Deviation
A measure of the dispersion or variability within a population data set, quantifying how much individuals within this population differ from the population mean.
Home Prices
The amount of money required to purchase residential properties, which can vary widely based on location, size, condition, and market trends.
Subdivisions
Sections or segments into which a larger area, population, or structure is divided, often used in urban planning, demographic studies, and experimental designs.
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