'3 Row Labels ' Values Sample .- Average 0 .. Average 0... Max of Ba... Min of Ba .. a) You will create the R and Xbar charts at the same time using PHStat. Just be careful to cooy the R chart here! D) Copy the X-bar chart here. c) Look for the four out-of-control patterns. Don't be too fussy about points on or near the line. If you see an pattern, consider where it occurs and how many data points you have to see if it is actually unexpected. Be sure to discuss what it means for a pattern to occur for this particular problem. For example "7 points trending up mean that more that the sealant strength is increasing which is desirable. We should investigate the production on these days to see what might cause this so we can ensure we continue the process in this way.\