could you please answer question number a,b,c,d,e,f? no explanation needed. I just need the answers to see if my potential answers were correct. thank you!

9 A pediatrician was surprised to find many of her young patients had blood cholesterol level over s minal / L, indicating an in creased risk of coronary artery disease. She took a random sample 50 such patients in a special nutritional program designed to lower blood cholesterol. Ten weeks after the program, she measured the cholesterol levels of each of the 50 patients again @ with the before and after program data of each 50 patient for each on hand, which of the following statistical fest should she choose to test the effectiveness of the program in lowering the blood cholesterol levels ? choose 1, 2, or 3. that shows the correct test @ Independent test (2). Paired- Sample test 3 F test ('ANOVA ) 2 The pediatrician calculate the changes in cholesterol levels for each patient by defining " d - after . before " to test it the program was effective in lowering the cholesterol which of the following should be her null and alternative hypothesis . Choose 1, 2, or 3 1 . Ho ud = 0 Hi ud to 2 Ho Md : 0 3. Ho ud = 0,( . ) which is frue 1. This case of a right-tailed test 2. This is a case of a two -tailed test 3 . This is a case of a left-failed fest dele d. ) Find the degrees of freedom Calf) for the test ing part ( 6 ) turn e. ) If the pediatrician perfoms the test in part ( b ) at a =.01 level of significance, what would be the shift critical value of the fest? ( 3 decimal places rounded ) f . ) If her test statistic value is t=- 2. 652 should she reject the null hypothesis at 0. I level of significand 1 Reject Ho 2 NOT Reject Ho