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Statistics: Key
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Sampling,
Variables, and Data
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Guide
Statistics_ Key Concepts in Sampling,
Statistics_
Variables,
Key Concepts
and Data
in Sampling,
Analysis
Statistics_
_Variables,
Statistics
Key Concepts
and
Study
Data
inGuide.pdf
Sampling,
Analysis _Variables,
Statisticsand
Study
Data
Guide.pdf
Analysis _ Statistics Study Guide.pdf
, Statistics_ Key Concepts in Sampling, Variables, and Data Analysis.pdf Statistics_ Key Concepts in Sampling, Variables, and Data Analysis.pdf Statistics_ Key Concepts in Sampling, Variables, and Data Analysis.pdf
Statistic (Sample Statistic A numerical value calculated from sample data
Parameter (Population Parameter) A numerical value calculated using population data that describes a characteristic
of a population.
Parameter of interest A parameter we want to know about when doing inferential statistics.Often we can
only describe this value (with words or symbol) not actually find it. We canestimate
it with a sample statistic.
Statistics The science of collecting, analyzing, interpreting, answering questions with, and
presenting data.
Descriptive statistics Methods for summarizing and organizing data, such as mean, median,count,
percent, and standard deviation. As well as statistical graphics
Inferential statistics Using sample data to answer questions about a population
Representative sample A sample that accurately reflects the characteristics of the population.
Population we can generalize to The group of individuals to which the results of a study can be applied
Statistics_ Key Concepts in Sampling, Variables, and Data Analysis.pdf Statistics_ Key Concepts in Sampling, Variables, and Data Analysis.pdf Statistics_ Key Concepts in Sampling, Variables, and Data Analysis.pdf