The table shows 20 samples for the piston ring process, taken after the initial control charts were established. Plot these data on the I? and R chart. Is the process in control? Samgles Values of each sample 1 31 36 33 38 26 38 2 36 38 42 4t] 35 32 3 36 35 3? 38 34 33 4 32 33 35 3? 38 35 5 38 32 33 34 36 39 6 31 38 3? 3? 36 35 ? 36 36 32 3{] 32 33 8 43 42 45 35 4{] 41 9 26 38 35 32 34 33 1D 32 33 35 34 36 39 1 1 26 4D 3? 33 3i] 32 12 43 42 3? 35 33 41 13 41 4D 38 3? 34 3? 14 33 34 3? 32 3? 35 15 36 3? 34 39 38 38 1B 31 36 42 26 32 42 1? 31 3? 3? 35 3{] 32 18 32 33 38 2? 32 42 19' 32 34 32 32 31 32 2D 36 26 34 34 36 24