please answer Exercise 9.19 , question 2,3 and 4 . follow my professor instruction by using syntax 2 for q 2 and syntax 3 for q 3 . i did download the whole chapter just to help answer the questions ....

please answer Exercise 9.19 , question 2,3 and 4 . follow my professor instruction by using syntax 2 for q 2 and syntax 3 for q 3 . i did download the whole chapter just to help answer the questions . it,s about factor analysis