Which of the Rules for Coding Has Been Violated by the Following

question 59

Multiple Choice

Which of the rules for coding has been violated by the following responses to a question about a respondent's age? ? $\text {unger 20}$
? $\text {21-30}$
? $\text {\(31 - 40\) }$
? $\text {51-60}$
? $\text { over } 65$

• A) Coding categories should be exhaustive.
• B) Coding categories should be test tabulated.
• C) Coding categories should be mutually exclusive.
• D) Coding categories should be independent.