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Parametric statistic - PowerPoint PPT Presentation

Nominal Data

Nominal Data

Nominal Data. Greg C Elvers. Parametric Statistics. The inferential statistics that we have discussed, such as t and ANOVA, are parametric statistics A parametric statistic is a statistic that makes certain assumptions about how the data are distributed

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328 views • 32 slides
Non-Parametric Methods in Forest Models

Non-Parametric Methods in Forest Models

Non-Parametric Methods in Forest Models. James D. Arney, Ph.D. Forest Biometrics Research Institute FBRI Annual Meeting December 4, 2012. Non-Parametric Statistics. Distribution free methods which do not rely on assumptions that the data are drawn from a given probability distribution.

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252 views • 19 slides
Inferential Statistics

Inferential Statistics

Inferential Statistics. The Logic of Inferential Statistics. Makes inferences about a population from a sample Assumes a random sample to estimate error Uses tests of significance which are rooted in the logic of probability sampling. Making a Statistical Decision.

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75 views • 7 slides
To Select a D escriptive Statistic

To Select a D escriptive Statistic

To Select a D escriptive Statistic. Table. Nominal or Ordinal. Graph. Interval or Ratio. No. Interval o r Ratio. Yes. Ordinal. Nominal. Mean. Median. No. Mode. Yes. Location relative to the mean. Standing relative to other scores.

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131 views • 4 slides
Decision Trees for Fundamental Statistics

Decision Trees for Fundamental Statistics

Decision Trees for Fundamental Statistics. To Select a Parametric Statistic to Evaluate Group Differences . To Select a D escriptive Statistic. Yes. Table. Nominal or Ordinal. No. Graph. One. Interval or Ratio. Two. No. Interval o r Ratio. More than two. Yes. Ordinal. One.

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136 views • 1 slides

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