For Attribute Data, Process Capability is defined as the average proportion of nonconforming products. 07/29/2017 – by Mod_GuideK 0 For Attribute Data, Process Capability is defined as the average proportion of nonconforming products. A. True B. False SHOW ANSWERSCorrect Answer: A Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.