Statisti: Test scores for two beginning statistics classes

Description Usage Format References Examples

Description

Data for Exercises 1.70 and 1.87

Usage

1

Format

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

References

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

Examples

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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)

BSDA documentation built on July 30, 2017, 5:01 p.m.