Harold Hotelling Quote

The purely random sample is the only kind that can be examined with entire confidence by means of statistical theory, but there is one thing wrong with it. It is so difficult and expensive to obtain for many uses that sheer cost eliminates it.


How to Lie with Statistics, Chapter 1 (p. 21), W.W. Norton & Company, Inc. 1954


The purely random sample is the only kind that can be examined with entire confidence by means of statistical theory, but there is one thing wrong...

The purely random sample is the only kind that can be examined with entire confidence by means of statistical theory, but there is one thing wrong...

The purely random sample is the only kind that can be examined with entire confidence by means of statistical theory, but there is one thing wrong...

The purely random sample is the only kind that can be examined with entire confidence by means of statistical theory, but there is one thing wrong...