'Test compares' diaporamas de présentation

STATISTICS HYPOTHESES TEST (III) Nonparametric Goodness-of-fit (GOF) tests

STATISTICS HYPOTHESES TEST (III) Nonparametric Goodness-of-fit (GOF) tests. Professor Ke-Sheng Cheng Department of Bioenvironmental Systems Engineering National Taiwan University. Description of nonparametric Problems.

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Steps in Hypothesis Testing

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Hypothesis testing simplified

Hypothesis testing simplified. Objective: Describe a variable. - Mean, Median, Mode, Standard Deviation Examples: What is the percentage of totally satisfied customers in our database? What is the most common income in our data base?. Objective: compare one group to a hypothetical/ set value.

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Statistical Inference for the Mean: t-test

Statistical Inference for the Mean: t-test. Comparison of paired samples:. Interfering factors in the comparison of two sample means using unpaired samples may inflate the pooled estimate of variance of test results. It is possible to pair the measurements.

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