Introduction

The practical application of statistics to engineering problems met in industry often concerns making decisions concerning probability distributions. For example you may be asked to decide whether a data set is approximately normal since much of the statistics you may apply makes this assumption. On occasions you may have to make such decisions given data concerning non-numeric variables in the form of a contingency table. Contingency tables are described in detail in this Workbook. This is one of the relatively rare occasions when hypothesis tests can be applied to non-numeric variables.

Prerequisites

Learning Outcomes

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