D. Solve for the discrimination indexes of the following test items: Item No. 1 2 3 4 5 UG LG UG LG UG LG UG LG UG LG No. of Correct 12 20 10 20 20 10 10 24 20 5 Responses No. of Students 25 25 25 25 25 25 25 25 25 25 Discrimination Index Based on the computed discrimination index, which are good test items? Not good test items? E. A multiple choice type of test has 5 options. The Table below indicates the number of examinees out of 50 who chose each option. Option B C D E 0 20 15* 5 10 *- Correct answer Which options are plausible? Which ones are implausible