Unit 4 Vocabulary Quiz Crossword

This involves using a chance process to determine which members of a population are included in the sample.
The design of a statistical study shows this if it would consistently underestimate or consistently overestimate the value you want to know when the study is repeated many times.
This collects data from every individual in the population.
The _____ in a statistical study is the entire group of individuals we want information about.
In a _____ experiment, neither the subjects nor those who interact with them and measure the response variable know which treatment a subject received.
This is a treatment that has no active ingredient, but is otherwise like other treatments.
This describes the fact that some subjects in an experiment will respond favorably to any treatment, even an inactive treatment.
In an experiment, a _____ is a group used to provide a baseline for comparing the effects of other treatments. Depending on the purpose of the experiment, a _____ may be given an inactive treatment or an active treatment.
This occurs when two variables are associated in such a way that their effects on a response variable cannot be distinguished from each other.
This occurs when there is a consistent pattern of inaccurate responses to a survey question.
This occurs when an individual chosen for the sample can't be contacted or refuses to participate.
Choosing individuals from the population who are easy to reach results in a _____.
This deliberately imposes some treatment on individuals to measure their responses.
This observes individuals and measures variables of interest, but does not attempt to influence the responses.
When the units are human beings, they often are called _____.
These are the smallest collection of individuals to which treatments are randomly assigned.
This occurs when some members of the population are less likely to be chosen or cannot be chosen for the sample.
The ______ of an estimate describes how far, at most, we expect the estimate to vary from the true population value.
This is a subset of individuals in the population from which we collect data.
A ______ is a specific condition applied to the individuals in an experiment.