Time is always the metric on the horizontal scale of a(n) ___________ Chart. 07/29/2017 – by Mod_GuideK 0 Time is always the metric on the horizontal scale of a(n) ___________ Chart. A. Pareto B. Xbar C. Multi-Vari D. NP SHOW ANSWERSCorrect Answer: C Explanation/Reference: Explanation: Download Printable PDF. VALID exam to help you PASS.