A hypothesis is
a. Necessary for quantitative research
b. An educated guess or a presumption based on review of the research literature
c. The definition of one variable
d. In the form of a question
e. Used when conflicting results are found in the research literature

An educated guess or a presumption based on review of the research literature

Explanation:

A hypothesis is an educated guess or a presumption based on review of the research literature.

It is a proposition based on reasoning without any assumption of its truth, it enables the researcher to have a better understanding about the subject matter of the study.

answer; fair labor and standard act;

answer; the above statement is (true);