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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Frequency |
Is the number of times a value is observed in a data set |
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Parameter |
Numerical summary of population |
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Sample |
Subset of population |
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Statistic |
Numerical summary of a sample |
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Inferential statistics |
Uses methods that take a result from a sample and extends it to a population, then measures reliability of a result |
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Discrete Variable |
Is a finite number or countable number of possible values |
Whole numbers |
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Numerical Variable |
Describes quantities of the objects of interest and uses numerical measures of individuals |
Quantitative |
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Process of statistics |
1) Identify research objective 2) collect data 3) describe data 4) make inferences and apply techniques to extend results from sample to population |
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Variables |
Are the characteristics of the individuals within the population |
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Categorical Variable |
Describes a quality of the objects of interest and allows for classification of individuals based on some attribute or characteristic |
Qualitative |
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Statistics |
Science of collecting, organizing, summarizing, and analyzing info to draw conclusions and/or answer questions |
Plug and chug |
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Population |
Entire group being studied |
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Data |
A fact or proposition used to draw a conclusion or make a decision •numerical: Height, weight, age •non numerical: Gender, blood type, eye color |
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Continuous Variable |
Is an infinite number of possible values that are not countable |
Obtained by measuring Decimals and place value |
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Two-way Table |
Summarizing two potentially related categorical Variable Show how many times each combination of categories occurs |
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