What is the value of the variable Diff? 12/18/2019 – by Mod_GuideK 0 The following SAS program is submitted: What is the value of the variable Diff? A. 1 B. 0 C. -99 D. -1 SHOW ANSWERSCorrect Answer: C Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.