The Wisconsin Association of School Districts is interested in the
The Wisconsin Association of School Districts is interested in the relationship between school district population and funding for schools. From a sample of 300 school districts, the association uses simple regression to predict total school district expenditures in dollars (Y) using the school district’s population (X = number of persons residing in the district). It finds
 = $ 4,566 - $ 824X
sb = 135 Sy|x = 34,788 r2 = .78
t = 6.10 p < .0001
Express in plain English the substantive interpretations of the following:
(a) The intercept
(b) The slope
(c) The coefficient of determination
(d) The t score and how it is calculated
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