D Question 1 5 pts An educational psychologist obtained a sample of 100 college students and asked them to provide two pieces of information for her research study on study habits and exam performance. Specifically, each student provided the number of hours studied for an upcoming exam and later the exam score earned. The research question was whether there would be a significant relationship between the amount of time spent studying for an exam and performance. For this research study, the appropriate statistical test is a [ Select ] with [ Select ] D Question 2 5 pts A previous study reported that adults rate cartoons as funnier when holding a pen with their teeth (which forced them to smile) than when holding a pen with their lips (which forced them to frown). A researcher attempted to replicate this result using a sample of n = 25 individuals between the ages of 20 and 45. For each person, the researcher recorded the difference between the rating obtained while smiling versus the rating obtained while frowning. The average of the difference scores was 4.5 points. Were the cartoons rated significantly funnier when the participants were smiling than when they were frowning? For this research study, the appropriate statistical test is a [ Select ] with [ Select ]