Devmath {BSDA}

Test scores for students who failed developmental mathematics in the fall semester 1995

Description

Data for Exercise 6.47

Usage

Devmath

Format

A data frame/tibble with 40 observations on one variable

score

first exam score

Source

Data provided by Dr. Anita Kitchens.

References

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

Examples

EDA(Devmath$score)
t.test(Devmath$score, mu = 80, alternative = "less")