Research Methods 2

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Topic 10: Binary data, including the c² test
(Week 11)

Aims
To understand what a binary variable is and how its statistical analysis differs from that for a Normal variable.

Objectives

To appreciate, in general terms, how the measurement of variation is different for a binary variable.

To understand how to summarise a  binary variable

To know what a c² test does and how to apply one in Minitab

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This week there is one document to be studied, with an accompanying exercise sheet.  

• Study the document  An Introduction to Binary Data, which explains the ideas behind this test.
• Answer the questions in Exercise Sheet 1.
• You should check your answers by referring to the Solutions to Exercise Sheet 1.

Further reading on the topics addressed this week can be found in Bland, chapter 8 (sections 4 & 5) and chapter 13

You can now attempt the third set of formative true/false questions.