ex1320 {Sleuth2}

Gender Differences in Performance on Mathematics Achievement Tests

Description

Data set on 861 ACT Assessment Mathematics Usage Test scores from 1987. The test was given to a sample of high school seniors who met one of three profiles of high school mathematics course work: (a) Algebra I only; (b) two Algebra courses and Geometry; and (c) two Algebra courses, Geometry, Trigonometry, Advanced Mathematics and Beginning Calculus.

These data were generated from summary statistics for one particular form of the test as reported by Doolittle (1989).

Usage

ex1320

Format

A data frame with 861 observations on the following 3 variables.

Sex

a factor with levels "female" and "male"

Background

a factor with levels "a", "b" and "c"

Score

ACT mathematics test score

Source

Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.

References

Doolittle, A.E. (1989). Gender Differences in Performance on Mathematics Achievement Items, Applied Measurement in Education 2(2): 161–177.

Examples

str(ex1320)