Overview of Statistics
Data Classification
Data Collection and Experimental Design
Sampling Techniques
Misellanious
100
Consist of information coming from observations, counts, measurements, or responses.
What is Data?
100
Consist of attributes, labels, or nonnumerical entries.
What is Qualitative Data?
100
A harmless, fake treatment, that is made to look like the real treatment.
What is Placebo?
100
A count or measure of an entire population.
What is a Census?
100
Occurs in an experiment when subjects change their behavior simply because they know they are participating in an experiment.
What is Hawthorne Effect?
200
Science of collecting, organizing, analyzing, and interpreting data in order to make decisions.
What is Statistics?
200
Consist of numerical measurements or counts.
What is Quantitative Data?
200
The use of a mathematical or physical model to reproduce the conditions of a situation or process.
What is Simulation?
200
A count or measure of part of a population.
What is a Sampling?
200
The replication of an experiment under the same or similar conditions.
What is Replication?
300
The collection of all outcomes, responses, measurements, or counts that are of interest.
What is Population?
300
Data at this level are categorized using names, labels, or qualities.
What is Nominal level of measurement?
300
An investigation of one or more characteristics of a population.
What is Survey?
300
The difference between the results of a sample and those of a population.
What is Sampling Error?
300
To improve the validity of experimental results.
What is Replication?
400
A subset, or part, of a population.
What is a sample?
400
Data at this level can be can be arranged in order or ranked.
What is Ordinal level of measurement?
400
A technique to help control or minimize the placebo effect.
What is Blinding?
400
One in which every member of the population has an equal chance of being selected.
What is Random Sample?
500
A numerical description of a population characteristic.
What is a Parameter?
500
At this level, a zero entry simply represents a position on a scale.
What is Interval level of measurement?
500
A process of randomly assigning subjects to different treatment groups.
What is Randomization?
500
A sample in which every possible sample of the same size has the same chance of being selected.
What is Simple Random Sample?
500
A type of sample that often leads to biased studies.
What is Convenience Sample?
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