ex1615: Trends in SAT Scores

In Sleuth3: Data Sets from Ramsey and Schafer's "Statistical Sleuth (3rd Ed)"

Description

Data shows a partial listing of a data set with ratios of average math to average verbal SAT scores in the United States and the District of Columbia for 1989 and 1996–1999.

Usage

ex1615

Format

A data frame with 51 observations on the following 6 variables.

State

a character vector indicating the state

M.V.89

average MATH SAT scores divided by average VERBAL SAT score in 1989

M.V.96

average MATH SAT scores divided by average VERBAL SAT score in 1996

M.V.97

average MATH SAT scores divided by average VERBAL SAT score in 1997

M.V.98

average MATH SAT scores divided by average VERBAL SAT score in 1998

M.V.99

average MATH SAT scores divided by average VERBAL SAT score in 1999

Source

Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.

Examples

str(ex1615)

Sleuth3 documentation built on May 2, 2019, 6:41 a.m.