In the state of Florida, elementary school performance is based on the average score obtained by students
Question:
a. Propose a straight-line model relating math score (y) to percentage (x) of students below the poverty level.
b. Fit the model to the data using the method of least squares.
c. Graph the least squares line on a scatter plot of the data. Is there visual evidence of a relationship between the two variables? Is the relationship positive or negative?
d. Interpret the estimates of the y-intercept and slope in the words of the problem.
e. Now consider a model relating reading score (y) to percentage (x) of students below the poverty level. Repeat parts a-d for this model.
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Related Book For
Statistics For Business And Economics
ISBN: 9780321826237
12th Edition
Authors: James T. McClave, P. George Benson, Terry T Sincich
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