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Definition
| is the collection of all members in a group |
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Definition
| is the portion of the population selected for analysis |
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Term
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Definition
| is a numerical measure that describes a characteristic of a population |
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Term
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Definition
| is a numerical measure that describes a characteristic of a sample |
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Term
| two branches of statistics |
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Definition
descriptive: collect and present data
inferential: drawing conclusions |
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Term
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Definition
| estimate the population mean weight using the sample mean weight |
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Term
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Definition
| test the claim that the population mean weight is 120LB |
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Definition
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Term
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Definition
marital status
political party
eye color |
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Term
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Definition
discrete: counted items; #defects/hour
continuous: measurements; weight, voltage |
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Term
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Definition
weakest form of measurement, just categories no ordering
marital status, type of car owned |
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Term
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Definition
ordered categories; rankings, order, or scaling
service quality rating, students grades |
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Definition
differences between measurements but no true zero
temperature in F, std exam score |
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Term
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Definition
differences between measurements, true zero exists. strongest level of measurement
height,age,weekly food spending |
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Term
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Definition
observation
survey
experimentation |
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Term
| secondary data compilation |
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Definition
| print of electronic sources |
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Term
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Definition
| bars are ordered from largest to smallest |
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Term
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Definition
| has no spaces in between bars |
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