It is required to perform factor analysis using SAS on this data 9 File TEST.DAT gives the correlation matrix of data on 12 tests conducted on 412 high school students. The 12 tests were as follows: (1) Differentiation of bright from dark objects; (2) Counting; (3) Differentiation of parallel from nonparallel lines; (4) Simple decoding speed: (5) Completion of words/sentences; (6) Comprehension: (7) Reading; (8) General awareness; (9) Arithmetic computations; (10) Permutations-combinations; (11) Routine task: (12) Repetitive task..