A data set from Oehlert (2000) \emph{A First Course in Design and
Analysis of Experiments}, New York: W. H. Freeman.

Data originally from Bezjak, Z. and B. Knez (1995).  ``Workplace design
and loadings in the process of sewing garments.'' {\em International
Journal of Clothing Science and Technology\/}~{\em 7}, 89--101.

Column 1 is the time in seconds under standard conditions; column 2 is the
time in seconds under ergonomic conditions.