Mathematics, 10.03.2020 04:28 nmoareah
Relative density was determined for one sample of second-growth Douglas fir 2 x 3 4s with a low percentage of juvenile wood and another sample with a moderate percentage of juvenile wood, resulting in the following data
Type n x s
Low 35 0.523 0.0543
Moderate 54 0.489 0.0450
Estimate the difference between true average density for the two types of wood.
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Relative density was determined for one sample of second-growth Douglas fir 2 x 3 4s with a low perc...
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