mathmarks {SIN}R Documentation

Mathematics marks

Description

Examination marks of 88 students in the five subjects:

Usage

data(mathmarks)

Format

A list providing a summary of the data. The list contains:

mathmarks$means : the mean vector,
mathmarks$stddev : the vector of standard deviations,
mathmarks$corr : the correlation matrix, and
mathmarks$n : the sample size.

Details

Mechanics and Vectors were closed book examinations. Algebra, Analysis and Statistics were open book examinations.

Source

Mardia, K.V., Kent, J.T. \& Bibby, J.M. (1979) Multivariate analysis. London: Academic Press. (See pp.3-4).

Whittaker, J. (1990) Graphical models in applied multivariate statistics. Chichester: Wiley. (See Ch. 1.1).

Examples

data(mathmarks)
mathmarks$means
mathmarks$stddev
mathmarks$corr
mathmarks$n

[Package SIN version 0.4 Index]