You Are Working as a Seized Drug Analyst in a Forensic

Multiple Choice

You are working as a seized drug analyst in a forensic laboratory. You receive an exhibit to analyze that consists of a large ziplock bag containing brown powder. You homogenize it, select 9 samples at random, and determine the concentration of heroin in each. You calculate a mean and standard deviation value as well. The resulting values are best considered as

A) the sample mean and sample standard deviation
B) the sample mean and the population standard deviation
C) the population mean and the sample standard deviation
D) the population mean and the population standard deviation