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Stats test 1
Stats test 1
24
Mathematics
Undergraduate 2
01/28/2013

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Term
Study of Statistics
Definition
How to collect data, organize data, analyze data, and interpret data.
Term
Goal of statistics
Definition
To describe, predict, and explain behavior.
Term
Individuals
Definition
Are events, people, animals, or objects included in the study.
Term
Variables
Definition
Characteristics of the individual to be measured or observed.
Term
Types of variables
Definition
Age, height, weight, blood, ethnicity.
Term
Nominal data
Definition
Data consists of names, labels, and categories.
Term
Ordinal data
Definition
Data can be rank-ordered
Term
Interval data
Definition
The data can be put in order and the difference between data values are meaningful- no natural zero
Term
Ratio data
Definition
Data can be put in order and taking difference between the data makes sense.
Term
Two branches of Statistics
Definition
Descriptive and inferential
Term
Population
Definition
Whole number, everyone
Term
Sample
Definition
partial number, selected people.
Term
Statistical terms for
population data
Definition
Parameter
Term
Statistical terms for
sample data
Definition
Stats
Term
Probability sampling
Definition
Each member of population has equal chance of getting selected, Sample represents population accuracy.
Term
Non-Probability sampling
Definition
Does not involve random selection and probability sampling does.
Term
Sampling error and how to reduce it
Definition
Non-mistake consequence of using samples instead of population.
Term
Survey research designs
Definition
Term
institutional review board
Definition
reviews all planned studies in advance in order
to protect the subjects from possible harm.
Term
Informed consent
Definition
All human subjects must give their informed
consent before data are collected.
• Human subjects must be informed in advance
about the nature of a study and any risk of
harm it might bring.
Term
Confidentiality
Definition
All individual data must be kept confidential.
Only statistical summaries may be made public.
Term
Anonymity
Definition
Prevents follow-ups to improve non response or inform subjects of results.
Term
Tuskegee Syphilis Study
Definition
Doctor shoots Syphilis into patients without them knowing.
Term
Belmont report
Definition
Provides the basis for all future Federal
regulations on human research and ethical
standards of conduct including biomedical and
behavioral practice
• Gave us three basic principles
essential to all human research were
established
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