The psychology department at SHSU believes that their students are more capable learners than the rest of the university. The department selects a random sample of 45 students and administers an aptitude test. They then compare the results to the average aptitude scores of the university. O a. One sample z test O b. One sample t test O C. Independent samples t test O d. Dependent samples t test 1 points Save Answer QUESTION 3 Suspecting he may have developed a metabolism stimulant and weight loss drug, Dr. Atkins decides to begin animal testing. He selects a sample of rats and overfeeds them. Once the rats have adjusted to their new diet, Dr. Atkins weighs the rats, and then introduces his drug. After one week, Dr. Atkins re-weighs the rats. O a. One sample z test O b. One sample t test O C. Independent samples t test O d. Dependent samples t test