1. a group of gr. 10 students was given a differential aptitude test (dat) in order to assess their strengths and weaknesses in english and mathematics. the test consisted of eight sub-tests. percentile rankings were determined for each student for each sub-test. use the percentile rankings for student a and student b to answer the questions that follow: a) what aptitude appears to be the strongest for student a? b) what percentage of students who wrote this test scored lower than student a in mathematical skills? c) for the sub-test in reading comprehension, how do student a and student b compare with the rest of the students who wrote this test? d) with reference to this particular aptitude test, predict the area of study in which you think student b would most "likely" be successful. e) which aptitude appears to be the weakest for student a?