back to assignment attempts keep the highest no score out of 2/ 2 10. missing data which of the following are valid reasons for why there may be missing data in a well-designed study? check all that apply. some respondents didn’t know the answer to the question. some respondents refused to answer the question. data for some respondents were lost or misrecorded. researchers always have access to all values of all variables in the data set of a well-designed study. why might eliminating respondents with missing data compromise the results of a study? a random sample may no longer be random if you eliminate some members of the sample. statistical software is not equipped to handle eliminating responses. continue without saving