SAT scores, percent taking exam and state funding per student by state for 1994, 1995 and 1999
Data for Statistical Insight Chapter 9
Sat
A data frame/tibble with 102 observations on seven variables
U.S. state
verbal SAT score
math SAT score
combined verbal and math SAT score
percent of high school seniors taking the SAT
state expenditure per student (in dollars)
year
The 2000 World Almanac and Book of Facts, Funk and Wagnalls Corporation, New Jersey.
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
Sat94 <- Sat[Sat$year == 1994, ] Sat94 Sat99 <- subset(Sat, year == 1999) Sat99 stem(Sat99$total) plot(total ~ percent, data = Sat99) model <- lm(total ~ percent, data = Sat99) abline(model, col = "blue") summary(model) rm(model)
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