Professor Smidlapp Mailed a Questionnaire to Students on the Issue

Multiple Choice

Professor Smidlapp mailed a questionnaire to students on the issue of academic dishonesty. Smidlapp planned to use inferential statistics in the analyses and was concerned about the response rate. You tell Smidlapp that technically the use of inferential statistics assumes that:

A) all members of the population complete and return the questionnaire.
B) all members of the initial sample complete and return the questionnaire.
C) at least 50% of the members of the initial sample complete and return the questionnaire.
D) at least 50% of the population complete and return the questionnaire.
E) the overall response rate exceeds 75%.