The ______ is a more testable version of a research question. The ______ is a more testable version of a research question. theory postulate theorem hypothesisIf there is no difference between sample and population values, you will have a(n) ______ error. If there is no difference between sample and population values, you will have a(n) ______ error. high sampling standard no sampling low but positive samplingIf there is no difference between sample and population values, you will have a(n) ______ error. If there is no difference between sample and population values, you will have a(n) ______ error. high sampling standard no sampling low but positive sampling