Research on brain specimens. The postmortem interval

(PMI) is defined as the time elapsed (in days) between death and an autopsy. Knowledge of the PMI is considered essential to conducting medical research on human cadavers. The data in the accompanying table are the PMIs of 22 human brain specimens obtained at autopsy in a recent study (Brain and Language, June 1995). Describe the PMI data graphically with a dot plot. On the basis of the plot, make a summary statement about the PMIs of the 22 human brain specimens.

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Postmortem Intervals for 22 Human Brain Specimens 5.5 14.5 6.0 5.5 5.3 5.8 11.0 6.1 7.0 14.5 10.4 4.6 4.3 7.2 10.5 6.5 3.3 7.0 4.1 6.2 10.4 4.9