The researcher is interested in what effect the amount of sleep gets a pregnant woman gets has on newborn weight. The hypothesis is, "As maternal sleep/night increases, newborn weight will also increase". For the study, pregnant women in their last trimester are asked to record the amount of sleep they get/night. After delivery, the amount of sleep/night is averaged and recorded. Newborn weights are recorded at delivery. The dependent variable in this study is ____________. Group of answer choices maternal weight gain newborn weight maternal sleep/day none of these answers is correct