Which of the following is true of data editing?

Editing involves checking data for mistakes made by the interviewer but not by the respondent.

In order to speed through the data collection process, an interviewer may edit the data collection process.

Before being validated, data must be edited for mistakes.

As part of the editing process, the researcher ensures that all respondents were asked the proper questions.

Editing determines whether a survey's interviews or observations were conducted correctly and are free of fraud or bias.