In a process that has temperature has its critical parameter measured in Celsius (0C), 25 observations were taken. The readings are given below. Samples Reading #1 Reading #2 Reading #3 Reading #4 Reading #5 1 20 22 21 23 22 2 19 18 22 20 20 3 19 20 21 21 22 4 20 22 21 21 20 5 25 18 20 17 22 6 20 21 22 21 21 7 19 24 23 22 20 8 22 20 18 18 19 9 18 20 19 18 20 10 20 18 23 20 21 11 21 20 24 23 22 12 21 19 20 20 20 13 20 20 23 22 20 14 22 21 20 22 23 15 19 22 19 18 19 16 20 21 22 21 22 17 20 24 24 23 23 18 21 20 24 20 21 19 20 18 18 20 20 20 20 24 22 23 23 21 20 19 23 20 19 22 22 21 21 24 22 23 23 22 22 20 22 24 21 18 18 17 19 25 21 24 24 23 23

Draw an X-bar chart and a R-chart to conclude about the adequacy of the process.