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Ch 1

Ch1

TermDefinition
Statistics Science of collecting, organizing, summarizing, analyzing information
Population entire group of individuals
Sample subset of the population
Descriptive Statistics organizing and summarizing data
Inferential Statistics a result from a sample
Parameter numerical summary of a population
Qualitative, or categorical variables classification based on attributed characteristic
Quantitative variables numerical measures of individuals such as arithmetic operations
Discrete variable countable as in gender
continuous variable measurement as in height
Validity how close to the true value the measurements is
Reliability ability of different measurements of the same individual to yield the same results
Created by: k0007f7c
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