"Explore Power BI's statistical capabilities with a guide to Standard Deviation (STDEV.P, STDEV.S, STDEVX.P, STDEVX.S). Learn how to create measures for SD, mean, and upper/lower limits. Master standard theming for reports. Set up and utilize the Power BI On-Premise Data Gateway in standard mode for secure data access. Unleash the power of analytics with these tips and tricks."