A Member of the State Legislature Has Expressed Concern About

question 53

Essay

A member of the state legislature has expressed concern about the differences in the mathematics test scores of high school freshmen across the state.She asks her research assistant to conduct a study to investigate what factors could account for the differences.The research assistant looked at a random sample of school districts across the state and used the factors of percentage of mathematics teachers in each district with a degree in mathematics,the average age of mathematics teachers and the average salary of mathematics teachers s = 7.62090
Analysis of Variance What is the explained variation?

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Definitions:

Gas Stations

Retail establishments that sell fuel and often other services or goods for motor vehicles.

Significance Level

the probability of rejecting the null hypothesis when it is true, used as a criterion for deciding the outcome of a statistical test.

Car Engine

A machine designed to convert various forms of energy into mechanical force and motion, powering automobiles.

Kilometres

A unit of length in the metric system equivalent to 1,000 meters, commonly used to measure distance.