A researcher wants to test the hypothesis that defendants who plead guilty are sentenced more leniently than those who insist on going to trial. The researcher measures the plea decision asguilty plea ortrialand the sentence as the number of months incarceration to which defendants were sentenced. What is true about the dependent variable in this study:

Sentence as the number of months incarceration; continuous

Sentence as the number of months incarcerated; categorical

guilty plea or trial; continuous

guilty plea or trial; categorical