Software upgrade times (in minutes) are being evaluated. Samples of six observations each have been taken, and the results are as listed. Snftware urnerade time in minitec Factors for three-sigma control limits for x and R charts: Factors for three-sigma control limits for x and R charts: 1) What's the upper control limit (UCL) with three-siama limits for the me 1) Whats the upper control limit (UCL) with three-sigma limits for the mean of software upgrade time in minutes? (Round your answer to two decimal places.] 2) What's the range of sotware upgrade time in minutes for Day 3 ? 3) Whars the upper control limit (UCL) with three-sigma limits for the range of sofware upgrade time in minutes? (Round your answer to one decimal place.) 4) Is the disperson of software upgrade times on those days in control? (Enter your answer as "Yes" or "No".)