Please help with 6 & 7

Period 1 IM1 M2 IM3 M4 ||0||99|9| 0 M5 OC1 QC2 QC3 QC4 QC5 QC6 QC7 QC8 QC9 QC10 [QC11 [QC12 103 99. 105 103 106 102. 108 106 109 105 111 109 117 115 118 114 110 116 112. 118 116 119. 115 100 103 109 107 110 106 100 106 104 107 103 99 105 90 86 88 94 92 95 91 87 93 99 105 98 94 93 89 85 88 84 80 83 79 85 99 95 95 98. 94 90 86 89 91 102 98 94 100 106 104 107 103 99 102, 98 104 103 99 105 103 106 104 107 103 99. 95 91 97 105 101 97 93 99 95. 101 99. 102 98. 104 110 112. 108 104 100 106 104 107 113 111 114 110 116 98 94. 100 98 101 97 103 106 102 98 94 100 102 98. 94 100 104 107 105 108 104 100 97 M6 M7 IM8 IM9 IM10 M11 IM12. 106 6. Compute the range R for each testing sample 7. Generate the associated R-chart PERIOD Min Max R M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12