When data are collected in a statistical study for only a portion or subset of all elements of interest the researcher is using a:
A)parameter.
B)sample.
C)statistic.
D)population.

Question

Quizplus · Accepted Answer

When data are collected for only a portion or subset of all elements of interest, the researcher is using a sample. A population is the entire group of individuals or items of interest, whereas a sample is a portion or subset of that population. Parameters refer to numerical measures that describe characteristics of a population, and statistics are numerical measures that describe characteristics of a sample. Since the question specifically asks about data collected for a portion of all elements of interest, the correct answer is B: sample.

When Data Are Collected in a Statistical Study for Only