Data used in Exercise 2.96
A data frame/tibble with 20 observations on two variables
anxiety score before a major math test
math test score
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
plot(math ~ anxiety, data = Anxiety, ylab = "score", main = "Exercise 2.96") with(data = Anxiety, cor(math, anxiety) ) linmod <- lm(math ~ anxiety, data = Anxiety) abline(linmod, col = "purple") summary(linmod)
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