Tech|Express x B Assignments - FOED-6820-503 - x Assignment 2 Fall 2021 - FOED-( X Inbox - amanda.shoemake@smi X 2021 Mid-term Test x y! Course hero - Yahoo Search Res *Homework Help - Q&A from Or x V X C D elearn.tntech.edu/d21/le/content/8825242/viewContent/77987878/View i : Apps * Bookmarks G Images Putnam Google Trai... W Spelling Lists W Tech Wit and Wisdom C Curriculum Training.. Imported From Edge New Tab Reading list Problem 3 (10 points) a. Using the data set for 20 students on a 10-item test, calculate item difficulty and index of discrimination for each item. Use the top five students to make up the upper group; and the bottom five for the lower group. Present your results in the table provided below (include the computations). Item # Item Difficulty Item Discrimination Index OO OO J O UI A WINE b. From your analysis of the test results (i) which items should be retained (ii) which items should be excluded from the test? Download Print Activity Details Type here to search O 9 1:09 PM 46 F Sunny ~ ) 11/29/2021Tech|Express x @ Assignments - FOED-6820-503 - x Assignment 2 Fall 2021 - FOED-( X Inbox - amanda.shoemake@smi x 2021 Mid-term Test x y! Course hero - Yahoo Search Res es x *Homework Help - Q&A from Or x V X C D elearn.tntech.edu/d21/le/content/8825242/viewContent/77987878/View : Apps * Bookmarks G Images Putnam Google Trai... W Spelling Lists W Tech |Wit and Wisdom Curriculum Training... Imported From Edge New Tab Reading list b. From your analysis of the test results (i) which items should be retained (ii) which items should be excluded from the test? Download Print