[All Steps] A series of laboratory experiments using a heat release calorimeter was carried out to compare heat release rates (HRR) (kW/m^2) for two species of


Question: A series of laboratory experiments using a heat release calorimeter was carried out to compare heat release rates (HRR) (kW/m^2 ) for two species of wood: basswood and red oak. Independent random samples of 10 specimens of each species were used in the experiments and the results were as follows:

Basswood

105.9 100.0 98.9 99.0 103.4 109.8 106.9 100.8 94.4 103.7

Red oak

94.6 91.3 91.5 91.4 86.8 99.5 78.0 93.7 79.9 81.6

Using output from Q2.5, give a 95% confidence interval for the difference between the mean HRR’s in the two groups. Briefly state how you interpret this confidence interval.

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