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prob and stats
section 1.1 preview
Question | Answer |
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statistics | the science of planning studies and experiments, obtaining data, organizing,summarizing, presenting, analyzing, interpreting, and drawing conclusions based on the data. |
data | collection of observations examples: measurements, genders, survey responses |
population | the complete collection of all individuals to be studied |
census | collection of data from every member of a population |
sample | subcollection of members selected from a population |
voluntary response sample | a sample for which the respondents themselves decide whether to be included |