Question: Perform the interblock analysis for the design in Problem 4-29. Problem 4-29. Seven different hardwood concentrations are being studied to determine their effect on the
Perform the interblock analysis for the design in Problem 4-29.
Problem 4-29.
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 balanced incomplete block design that follows. Analyze the data from this experiment (use α = 0.05) and draw conclusions.

Days Hardwood Concentration (%) 1 2 3 4 5 6. 7 114 120 117 4 126 120 119 137 117 134 8 141 129 149 10 145 150 143 12 120 118 123 14 136 130 127
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