Transition ends which stage of childbirth?

A study that assesses whether changes in one variable are accompanied by systematic changes in another variable is called a

a. relational study. c. joint occurrence investigation. b. correlational study. d. bimodal investigation.

By convention, we use a bar graph when the groups on the x-axis (horizontal axis) are represented on a ______ scale; we use a line graph when the groups on the x-axis are represented on an ______ scale.

A. nominal or ordinal; interval or ratio B. interval or ratio; nominal or ordinal C. ordinal or interval; nominal or ratio D. nominal or ratio; ordinal or interval