Test Bank for Essentials of Statistics for
the Behavioral Sciences Chapter 1(7th
edition by Mario F. Triola)
statistics - ANSa set of mathematical procedures for organizing, summarizing, and interpreting
information
population (i.e. 1000 people, one sample of 5 people, another sample of 5 people) - ANSthe set
of all the individuals of interest in a particular study
sample - ANSa set of individuals selected from a population, usually intended to represent the
population in a research study
(1000 people = population, 50 men and women chosen from the population = sample, (age,
marital status, annual income = parameters)
variable - ANSa characteristic or condition that changes or has different values for different
individuals
data (plural) - ANSmeasurements or observations
data set - ANScollection of measurements or observations
datum - ANSsingle measurement or observation; commonly called a score or raw score
raw score - ANSsingle measurement or observation; datum
parameter - ANSa value, usually a numerical value, that describes a population; usually derived
from measurements of the individuals in the population
statistic - ANSa value, usually a numerical value, that describes a sample; usually derived from
measurements of the individuals in the sample
descriptive statistics - ANSstatistical procedures used to summarize, organize and simplify data
inferential statistics - ANSconsist of techniques that allow us to study samples and then make
generalizations about the populations from which they were selected
sampling error - ANSthe discrepancy, or amount of error, that exists between a sample statistic
and the corresponding population parameter
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