A Researcher Only Has Access to the Sample Results When

Multiple Choice

A researcher only has access to the sample results when trying to determine whether or not there is a statistically significant difference between two groups. Therefore, the researcher:

A) needs sample sizes of over 1000 to make the results meaningful.
B) should remove any surveys from the data where there are any item omissions.
C) must always ask a respondent to indicate their gender on a survey.
D) should have some hypotheses ready to test.
E) must fall back on statistical generalization concepts.