Multiple choice: which percentage base to use?
Multiple choice questions where the respondent may select more than one answer are commonly used in surveys. How should the responses to such questions be presented in a table? In...
Multiple choice questions where the respondent may select more than one answer are commonly used in surveys. How should the responses to such questions be presented in a table? In...
What combination of products frequently end up in a shopper's basket? What services are usually bought together by consumers?