Non-parametric tests Flashcards

1
Q

Which is more powerful: parametric or non-parametrical tests?

A

Parametric

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2
Q

What is the input to the Mann-Whitney test?

A

Two samples of data

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3
Q

What is the Mann-Whitney test used for?

A

Compare the location and shape of two samples

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4
Q

What else is the Mann-Whitney test known as?

A

Wilcoxon rank-sum test

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5
Q

The Mann-Whitney test is very useful for small samples and effect size

T/F

A

False bad for both

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6
Q

What did is used in a Wilcoxon signed-rank test?

A

Paired of data (can be ordinal)

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7
Q

What is a Wilcoxon signed-rank test used for?

A

Discover the change in individual points between before and after

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8
Q

Is the Wilcoxon signed-rank test good for small or large samples?

A

Large

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9
Q

What is the non-parametric counterpart of the paired t-test?

A

Wilcoxon signed-rank test

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10
Q

What is the non-parametric alternative to the one-way anova?

A

Kruskal Wallis test

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11
Q

Are distributions relevant to the Kruskal-wallis test?

A

Nah

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12
Q

What is the purpose of the Kolmogorov-Smirnov test?

A

Compare distributions of two samples

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13
Q

Is the kolmogrov-smirnov test useful for small data or large?

A

Large

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