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| Chi-square distribution, X^2 = |
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Definition
(n-1)s^2/sigma^2
n - 1 degrees of freedom |
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Term
| 1. Characteristics of the chi-square distribution |
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Definition
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Term
| 2. Characteristics of the chi-square distribution |
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Definition
| The shape of the chi-square distribution depends on the degrees of freedom |
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Term
| 3. Characteristics of the chi-square distribution |
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Definition
| As the number of degrees of freedom increases, the chi-square distribution becomes more nearly symmetric |
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Term
| 4. Characteristics of the chi-square distribution |
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Definition
| The values of X^2 are non-negative (>=0) |
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Term
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Definition
| The best point estimate of the population variance sigma^2 |
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Term
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Definition
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Term
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Definition
| [(n-1)s^2]/X^2(1-alpha/2) |
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Definition
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