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TABLE 13-13 In This Era of Tough Economic Conditions, Voters Increasingly Ask

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TABLE 13-13
In this era of tough economic conditions, voters increasingly ask the question: "Is the educational achievement level of students dependent on the amount of money the state in which they reside spends on education?" The partial computer output below is the result of using spending per student ($) as the independent variable and composite score which is the sum of the math, science and reading scores as the dependent variable on 35 states that participated in a study. The table includes only partial results.
TABLE 13-13 In this era of tough economic conditions, voters increasingly ask the question:  Is the educational achievement level of students dependent on the amount of money the state in which they reside spends on education?  The partial computer output below is the result of using spending per student ($) as the independent variable and composite score which is the sum of the math, science and reading scores as the dependent variable on 35 states that participated in a study. The table includes only partial results.    -Referring to Table 13-13, what percentage of the variation in composite score can be explained by the variation in spending per student?
-Referring to Table 13-13, what percentage of the variation in composite score can be explained by the variation in spending per student?


Definitions:

Insects

Small arthropods belonging to the class Insecta, which have a chitinous exoskeleton, a three-part body (head, thorax, abdomen), three pairs of jointed legs, compound eyes, and one pair of antennae.

Adaptive Value

The extent to which a genetic trait or behavior enhances the survival or reproductive success of an organism in its environment.

Terrestrial Insects

Insects that live primarily on land rather than in water or air, with adaptations to various terrestrial environments.

Tracheae

A network of small tubes in insects and some arachnids that facilitates respiratory gas exchange directly with body cells.

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