A Researcher Is Interested in the Eventual Divorce Rates of People

Multiple Choice

A researcher is interested in the eventual divorce rates of people who live together before they get married compared to those who do not cohabitate before marriage.Any difference found between these groups would be of interest to the researcher, as well as to the popular media.Which statement is an appropriate null hypothesis for this research?

A) There is no difference in divorce rates between those who cohabitate and those who do not.
B) There is a difference in divorce rates between those who cohabitate and those who do not.
C) People who cohabitate before marriage have a divorce rate twice as high as those who do not.
D) People who do not cohabitate before marriage have a divorce rate twice as high as those who cohabitate.