Quality {BSDA}

Quality control test scores on two manufacturing processes

Description

Data for Exercise 7.81

Usage

Quality

Format

A data frame/tibble with 15 observations on two variables

process

a character variable with values Process1 and Process2

score

results of a quality control test

References

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

Examples

boxplot(score ~ process, data = Quality, col = "lightgreen")
t.test(score ~ process, data = Quality)