These data represent seven samples (taken on seven sequential days) each containing eight bags of salt. The weights (in ounces) are shown. Create an X-bar chart and an R-chart for the data provided. Comment on whether each chart indicates the process is in control or not. Please show all equations used for each cell.

D E F G H I A 1 2 Observation 3 4 3 N 3 4. 5 N B Sample 1 1 61.20 2 61.00 3 60.80 4 59.10 5 61.40 6 61.70 7 62.40 8 61.10 09 62.00 61.40 60.20 61.30 60.60 60.30 61.30 60.20 3 60.50 63.40 60.80 58.70 61.40 62.10 62.40 60.90 6 7 8 9 10 11 12 4 61.20 61.00 60.80 62.10 61.40 61.70 62.40 62.30 5 61.40 62.30 60.20 61.30 60.60 59.80 61.30 60.20 6 59.20 61.00 60.80 60.00 61.40 62.10 62.40 60.20 7 62.10 63.00 60.20 61.30 59.30 60.30 61.30 60.50 5 6 oc 8