answer with explanation for both tables

4.42. Seven different hardwood concentrations are being studied to determine their effect on the strength of the paper produced. However, the pilot plant can only produce three runs each day. As days may differ, the analyst uses the bal- anced incomplete block design that follows. Analyze the data from this experiment (use a = 0.05) and draw conclusions. Hardwood Days Concentration (%) 1 2 3 114 126 120 137 117 ANOO MAN 141 129 149 145 150 120 136 Hardwood Days Concentration (%) U 6 7 120 117 119 134 143 118 123 130 127