A Member of the State Legislature Has Expressed Concern About

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 Based on the multiple regression model given above,estimate the mathematics test score and calculate the value of the residual,if the percentage of teachers with a mathematics degree is 50.0,the average age is 43 and the average salary is 48,300 (48.3).The actual mathematics test score for these factors is 68.50.