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13 Cards in this Set
- Front
- Back
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Science of gathering, describing, and analyzing data or the actual numerical descriptions of sample data |
Statistics |
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Particular group of interest consisting of all persons or things about which one is trying to make an interference or decision |
Population |
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Values that change among members of the population |
Variable |
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Information gathered about a specific variable and may be variety of forms such as counts, measurements, or observations |
Data |
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Numerical description of a particular population |
Parameter |
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When the parameter can’t be determined; the subset of the population is chosen |
Sample |
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Identify the population and the sample of the following: A survey of 1125 in the United States found that 24% subscribe to satellite radio. |
Population— all household in U.S Sample— 1125 households in the U.S that were surveyed. |
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Front (Term) |
Population— all American air travelers Sample—542 American air travelers that were surveyed 78%— population parameter |
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Front (Term) |
Population—all adult Americans Sample— 1000 adult Americans 59%— sample statistic |
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What are the two main branches of statistics? |
Descriptive statistics and Inferential statistics |
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Gathers, sorts, summarizes, and generally describes the data that have been collected |
Descriptive statistics |
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Uses descriptive statistics to estimate population parameters; deals with interpretation of information collected. |
Inferential statistics |
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Identify the descriptive and inferential statistic |
Descriptive statistic— 900 journalist, 500 at local patch Inferential statistics— 150 journalist and analysis |
