Description Usage Format References Examples

Data for Exercises 1.70 and 1.87

1 |

A data frame/tibble with 62 observations on two variables

- class
character variable with values

`Class1`

and`Class2`

- score
test score for an introductory statistics test

Kitchens, L. J. (2003) *Basic Statistics and Data Analysis*.
Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

1 2 3 4 5 6 7 8 9 10 11 | ```
boxplot(score ~ class, data = Statisti, col = "violet")
tapply(Statisti$score, Statisti$class, summary, na.rm = TRUE)
## Not run:
library(dplyr)
dplyr::group_by(Statisti, class) %>%
summarize(Mean = mean(score, na.rm = TRUE),
Median = median(score, na.rm = TRUE),
SD = sd(score, na.rm = TRUE),
RS = IQR(score, na.rm = TRUE))
## End(Not run)
``` |

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