A ________ relies on knowledge of the distribution or proportion of the population characteristics to choose a sample that assures representativeness of these characteristics
a. simple random sample
b. stratified random sample
c. cluster sample
d. systematic sample
b
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Toxins may be of synthetic or natural origin
Indicate whether the statement is true or false.
In the grid method of bloodstain documentation, a grid of squares of known dimensions is created over an entire pattern in order to:
a. Show the relative sizes of bloodstains in photographs. b. Prevent contamination of the bloodstains. c. Collect bloodstains for delivery to the laboratory. d. All of the above
A search incident to arrest may be conducted prior to the actual arrest so long as a subsequent arrest of that individual occurs to validate the prior search
Indicate whether the statement is true or false
There is a growing number of _____ machine robberies, which are starting to turn more violent
Fill in the blank(s) with correct word