Quiz no. 1 PR1

1. Is the process of selecting observations (sample) to provide an adequate description and inferences of the population

is “a smaller (but hopefully representative) collection of units from a population used to determine truths about that population”

A sampling technique in which each unit in a population does not have a specifiable probability of being selected.

A sampling procedure in which a researcher selects any cases in any manner that is convenient to be included in the sample.

In _______, a researcher first identifies relevant categories of people (e.g., male, female; under age of 30, over the age of 30), then decides how many to get in each category.

The population is divided into subgroups, known as clusters, which are randomly selected to be included in the study.

In this method, the population is first divided into subgroups (or strata) who all share a similar characteristic

Individuals are selected at regular intervals from the sampling frame.

A sampling technique in which each unit in a population has a specifiable chance of being selected.

is the list from which the potential respondents are drawn.