The college board provided comparisons of scholastic aptitude test (sat) scores based on the highest level of education attained by the test taker's parents. a research hypothesis was that students whose parents had attained a higher level of education would on average score higher on the sat. the overall mean sat math score was 514 (college board website, january 8, 2012). sat math scores for independent samples of students follow. the first sample of 16 students shows the average sat math test scores are 525 points for students whose parents are college graduates with a bachelor's degree and the sample standard deviation is 59.42. the second sample of 12 students shows the sat math test scores are 487 points for students whose parents are high school graduates but do not have a college degree and the sample standard deviation is 51.75. answer questions 4 - 7