Statistical Study
Experimental Design
Definition of Statistics
Levels of Measurements
Sampling Techniques
100
The act of a researcher observing and measuring characteristics of interest of part of a Population.
What is Observational Study
100
Occurs when an experimenter cannot tell the difference between the effects of different factors on the variable
What is Confounding Variable
100
Consists of information coming from observations, counts, measurements, or responses.
What is Data
100
Data that consists of attributes, labels, or nonnumerical entries.
What is qualitative data
100
Census
What is a count or measure of the entire population
200
A part of a population, in which nno treatment is applied
What is a control group
200
When a subject reacts favorably to a fake treatment
What is Placebo effect
200
The science of collecting, organizing, analyzing, and interpreting data.
What is Statistics
200
data that consists of numerical measurements or counts
What is Quantitative data
200
The difference between the results of a sample and those of a population.
What is a sampling error
300
A part of a population where treatment is applied
What is a treatment group
300
A technique where the subjects do not know whether they are receiving a treatment or a Placebo.
What is Blinding
300
Collection of all outcomes, responses, measurements, or counts that are of interest
What is population
300
Every member of the population has an equal chance of being selected.
What is a random sample
400
A harmless, fake treatment usually given to control groups
What is a Placebo
400
The act of randomly assigning subjects to different treatment groups
What is Randomization
400
A subset, or part, of a population
What is Sample
400
Are qualitative or quantitative
What is Ordinal level of measurement.
400
A count or measurement of part of the population
What is a Sampling
500
An investigation of one or more characteristics of a population
What is Survey
500
Groups of subjects with similar characteristics
What is Blocks
500
numerical description of a POPULATION characteristic
What is Parameter
500
Qualitative only, data categorized by names, labels
What is Nominal level of measurment
500
A sample that consists of members from each segment of a population
What is stratified Sample
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