Q Question 1 2 / 2 pts What is the value of ?(X + 1) for the scores 2, 3, 5? Question 2 2 / 2 pts Keith conducts a research study to examine how mental fatigue influences frustration levels. He has one group of participants complete a mentally exhausting problem-solving task for ten minutes, and a second group of participants complete an easy crossword puzzle for ten minutes. Then, he observes participant reactions to being prevented from achieving a desired goal on a second unrelated task as a measure of frustration levels. In this research study, the experimental condition is _____. Question 3 2 / 2 pts Lauren is a psychologist interested in whether observing helpful actions while consuming media causes greater future helping behavior. She designs a research study in which one group of participants watch a pleasant television show depicting people helping others for 20 minutes, whereas a second group of participants watch a pleasant television show for 20 minutes where no helping behavior takes place. After watching the show assigned to them, participants in each group are then provided the opportunity to help another student who drops a folder of papers, and Lauren records whether each participant helps this other student or not. In this research study, the control condition is _____.Question 4 2 / 2 pts For the following scores, ?X 2 = 64. Scores: 1, 2, 5 Question 5 2 / 2 pts A high school gym teacher records the weights of students prior to beginning a fitness regimen. This is an example of measuring a discrete variable.