Term
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Definition
| the set of measurements (or counts), either existing or conceptual |
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Definition
| a subset of measurements from the population |
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Definition
- a numerical descriptive measure of a sample
- quantity may vary depending on the sample taken |
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Definition
- a descriptive measurement from a population
- Always going to be a fixed quantity |
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Term
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Definition
- estimation
- testing
-regression |
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Term
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Definition
| we estimate the value of a population parameter |
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Term
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Definition
| we formulate a decision about a population parameter |
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Term
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Definition
| we make predictions about the value of a statistical variable |
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Term
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Definition
| a probability distribution of a sample statistic based on all possible simple random samples of the same size from the same population |
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Definition
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Term
| sample standard deviation |
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Definition
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Term
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Definition
| z= (x ̅- μ_x ̅ )/σ_x ̅ = (x ̅- μ)/(σ/√n) |
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