True or False?

The following are processing times for a fabrication operation. Requirements are 20 and 40. Annual volume is 40,000. Use the table below to comment on the process. All of the sample averages are within the control limits for averages. Sample Date 1 2 3 4 56 Sum Average Range 5-Jan 26 38 44 26 37 44 215 35.83 18 6-Jan 39 39 33 301 29 44 214 35.67 15 7-Jan 42 26 33 39 38 27 205 34.17 16 8-Jan 32 33 26 44 36 40 211 35.17 18 9-Jan 33 34 36 27 37 36 203 33.83 10 10-Jan 35 39 41 41 40 36 232 38.67 6 11-Jan 47 27 46 28 43 32 223 37.17 20 12-Jan 31 27 31 41 42 28 2001 33.33 15 13-Jan 42 32 35 41 44 42 236 39.33 12 14-Jan 30 37 46 37 29 33 212 35.33 17 15-Jan 36 27 31 28 27 45 194 32.33 18 16-Jan 45 37 44 36 27 41 230 38.33 18 17-Jan 37 32 38 35 38 32 212 35.33 6 18-Jan 33 43 45 31 44 32 228 38.00 14 19-Jan 31 27 33 31 35 31 188 31.33 8 20-Jan 30 26 37 33 32 33 191 31.83 11 21-Jan 46 39 32 44 34 40 235 39.17 14 22-Jan 41 36 33 44 37 27 218 36.33 17 23-Jan 3740 47 34 47 26 231 38.50 21 24-Jan 42| 47 45 28 28 36 226 37.67 19 Avg: 35.87 14.65 4 1