Examine the times to rigor mortis of the 114 human corpses tabulated in Practice Problem 9 of

Question:

Examine the times to rigor mortis of the 114 human corpses tabulated in Practice Problem 9 of Chapter 3.

a. What is the standard error of the mean time to rigor mortis?

b. The standard error calculated in part (a) measures the spread of what frequency distribution?

c. What assumption does your calculation in part (a) require?

Data from practice problem 9

Niderkorn’s (1872; from Pounder 1995) measurements on 114 human corpses provided the first quantitative study on the development of rigor mortis. The data in the following table give the number of bodies achieving rigor mortis in each hour after death, recorded in one-hour intervals.

Hours 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 TotalTotal Number of bodies 00 22 1414 3131 1414 2020