Mathematics, 02.10.2019 06:00 djs1671

Nine measurements are taken on the strength of a certain metal. in order, they are 7.2, 8.9, 9.7, 10.5, 10.9, 11.7, 12.9, 13.9, 15.3, and these values correspond to the 10th, 20th, 90th percentiles of this sample. construct a q–q plot of the measurements against the same per- centiles of n(0, 1). does it seem reasonable that the underlying distribution of strengths could be normal?

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Nine measurements are taken on the strength of a certain metal. in order, they are 7.2, 8.9, 9.7, 10...