This is the process of randomly assigning subjects to different treatment groups.
What is randomization?
100
Facts and statistics collected for reference or analysis.
What is data?
100
In this level of measurement, numbers are used to classify data.
What is nominal?
100
This is an investigation on one or more characteristics of a population.
What is survey?
100
The practice or science of collecting and analyzing numerical data in large quantities.
What is statistics?
200
This is the repetition of an experiment under the same or similar conditions.
What is replication?
200
This type of data can be measured and has an infinite number of possible values.
What is continuous data?
200
This level of measurement depicts some ordered relationship between the number of items.
What is ordinal?
200
This is how many branches of statistics there are.
What is two?
200
The entire pool from which one is gathering information.
What is population?
300
This is a technique where the subjects do not know whether they are receiving a treatment or a placebo.
What is blinding?
300
This type of data involves numbers and measurements.
What is quantitative data?
300
This level of measurement classifies and orders the measurements.
What is interval?
300
This is a survey conducted on the full set of observation objects belong to a population.
What is census?
300
A subset of a population used to gather statistical data.
What is a sample?
400
This is when an experimenter cannot tell the difference between the effects of different factors on the variable.
What is confounding variables?
400
This type of data can be numerical but can also be categorized.
What is discrete data?
400
In this level of measurement, values can be 0.
What is ratio?
400
The use of a mathematical or physical model to reproduce the conditions of a situation or process.
What is simulation?
400
This is a characteristic of a population.
What is a parameter?
500
This is when neither the experimenter nor the subjects know if the subjects are receiving a treatment or a placebo.
What is a double-blind experiment?
500
This data involves physical properties.
What is qualitative data?
500
Tests in a class are put into categories of below average, average, and above average according to grades. Which level of measurement does this fall in?
What is interval?
500
This group is responsible for collecting the census' in the United States.