Estimators

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Estimator for the mean of a random variable

Examples

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Estimator for the variance of a random variable

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Estimator for the ratio of a random variable

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Confidence level

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Confidence limits

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The ideology behind hypothesis tests

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Hypothesis

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Directions of hypothesis tests

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Test statistics

Examples

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Rejection areas and $\alpha$levels

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Rejection areas and $\alpha$levels

Examples

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Rejection areas and $\alpha$levels

Examples

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Rejection areas and $\alpha$levels

Examples

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pvalues

Examples

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Errors of type I and II

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Not rejecting a null hypothesis

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Conducting hypothesis tests

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The relationship between confidence intervals and hypothesis tests

Examples

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